diff --git a/app/src/main/java/eu/kanade/mangafeed/data/preference/PreferencesHelper.java b/app/src/main/java/eu/kanade/mangafeed/data/preference/PreferencesHelper.java
index b1768bc84..165c8f578 100644
--- a/app/src/main/java/eu/kanade/mangafeed/data/preference/PreferencesHelper.java
+++ b/app/src/main/java/eu/kanade/mangafeed/data/preference/PreferencesHelper.java
@@ -40,6 +40,19 @@ public class PreferencesHelper {
         return prefs.getBoolean(getKey(R.string.pref_hide_status_bar_key), true);
     }
 
+    public boolean isOrientationLocked() {
+        return prefs.getBoolean(getKey(R.string.pref_lock_orientation_key), true);
+    }
+
+    public void setOrientationLocked(boolean lock) {
+        prefs.edit().putBoolean(getKey(R.string.pref_lock_orientation_key), lock).apply();
+    }
+
+    public Observable<Boolean> isOrientationLockedObservable() {
+        return rxPrefs.getBoolean(getKey(R.string.pref_lock_orientation_key), true)
+                .asObservable();
+    }
+
     public int getDefaultViewer() {
         return Integer.parseInt(prefs.getString(getKey(R.string.pref_default_viewer_key), "1"));
     }
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
index 69d7e0ed1..eecf610db 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderActivity.java
@@ -4,9 +4,11 @@ import android.content.Context;
 import android.content.Intent;
 import android.os.Build;
 import android.os.Bundle;
+import android.support.annotation.NonNull;
 import android.support.v7.widget.Toolbar;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.FrameLayout;
 import android.widget.TextView;
@@ -30,6 +32,7 @@ import eu.kanade.mangafeed.ui.reader.viewer.horizontal.RightToLeftReader;
 import eu.kanade.mangafeed.ui.reader.viewer.vertical.VerticalReader;
 import eu.kanade.mangafeed.ui.reader.viewer.webtoon.WebtoonReader;
 import eu.kanade.mangafeed.util.ToastUtil;
+import icepick.Icepick;
 import nucleus.factory.RequiresPresenter;
 
 @RequiresPresenter(ReaderPresenter.class)
@@ -66,10 +69,20 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         setupToolbar(toolbar);
 
         readerMenu = new ReaderMenu(this, prefs);
+        Icepick.restoreInstanceState(readerMenu, savedState);
+        if (savedState != null && readerMenu.showing)
+            readerMenu.show(false);
+
         createUiHideFlags();
         enableHardwareAcceleration();
     }
 
+    @Override
+    protected void onDestroy() {
+        readerMenu.destroy();
+        super.onDestroy();
+    }
+
     @Override
     protected void onResume() {
         super.onResume();
@@ -83,11 +96,17 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         super.onPause();
     }
 
+    @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        Icepick.saveInstanceState(readerMenu, outState);
+        super.onSaveInstanceState(outState);
+    }
+
     private void createUiHideFlags() {
         uiFlags |= View.SYSTEM_UI_FLAG_HIDE_NAVIGATION;
         if (prefs.isHideStatusBarSet())
             uiFlags |= View.SYSTEM_UI_FLAG_FULLSCREEN;
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT)
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
             uiFlags |= View.SYSTEM_UI_FLAG_IMMERSIVE_STICKY;
     }
 
@@ -131,18 +150,22 @@ public class ReaderActivity extends BaseRxActivity<ReaderPresenter> {
         readerMenu.toggle();
     }
 
+    public ViewGroup getContainer() {
+        return container;
+    }
+
     private BaseReader getViewer(Manga manga) {
         int mangaViewer = manga.viewer == 0 ? prefs.getDefaultViewer() : manga.viewer;
 
         switch (mangaViewer) {
             case LEFT_TO_RIGHT: default:
-                return new LeftToRightReader(this, container);
+                return new LeftToRightReader(this);
             case RIGHT_TO_LEFT:
-                return new RightToLeftReader(this, container);
+                return new RightToLeftReader(this);
             case VERTICAL:
-                return new VerticalReader(this, container);
+                return new VerticalReader(this);
             case WEBTOON:
-                return new WebtoonReader(this, container);
+                return new WebtoonReader(this);
         }
     }
 
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderMenu.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderMenu.java
index 937515756..b1c01f198 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderMenu.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderMenu.java
@@ -1,9 +1,16 @@
 package eu.kanade.mangafeed.ui.reader;
 
+import android.app.Dialog;
+import android.content.Context;
+import android.content.pm.ActivityInfo;
+import android.support.v7.app.AlertDialog;
 import android.support.v7.widget.Toolbar;
+import android.view.Surface;
 import android.view.View;
+import android.view.WindowManager;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
+import android.widget.ImageButton;
 import android.widget.LinearLayout;
 import android.widget.RelativeLayout;
 import android.widget.SeekBar;
@@ -17,6 +24,8 @@ import eu.kanade.mangafeed.R;
 import eu.kanade.mangafeed.data.database.models.Chapter;
 import eu.kanade.mangafeed.data.database.models.Manga;
 import eu.kanade.mangafeed.data.preference.PreferencesHelper;
+import icepick.State;
+import rx.subscriptions.CompositeSubscription;
 
 public class ReaderMenu {
 
@@ -26,41 +35,58 @@ public class ReaderMenu {
     @Bind(R.id.current_page) TextView currentPage;
     @Bind(R.id.page_seeker) SeekBar seekBar;
     @Bind(R.id.total_pages) TextView totalPages;
+    @Bind(R.id.lock_orientation) ImageButton lockOrientation;
+    @Bind(R.id.reader_selector) ImageButton readerSelector;
+
 
     private ReaderActivity activity;
     private PreferencesHelper preferences;
-    private boolean showing;
+    @State boolean showing;
     private DecimalFormat decimalFormat;
 
+    private CompositeSubscription subscriptions;
+
     public ReaderMenu(ReaderActivity activity, PreferencesHelper preferences) {
         this.activity = activity;
         this.preferences = preferences;
         ButterKnife.bind(this, activity);
 
+        // Intercept all image events in this layout
+        bottomMenu.setOnTouchListener((v, event) -> true);
+
         seekBar.setOnSeekBarChangeListener(new PageSeekBarChangeListener());
         decimalFormat = new DecimalFormat("#.##");
+
+        subscriptions = new CompositeSubscription();
+        initializeOptions();
+    }
+
+    public void destroy() {
+        subscriptions.unsubscribe();
     }
 
     public void toggle() {
         if (showing)
             hide();
         else
-            show();
+            show(true);
     }
 
-    private void show() {
+    public void show(boolean animate) {
         menu.setVisibility(View.VISIBLE);
 
-        Animation toolbarAnimation = AnimationUtils.loadAnimation(activity, R.anim.enter_from_top);
-        toolbar.startAnimation(toolbarAnimation);
+        if (animate) {
+            Animation toolbarAnimation = AnimationUtils.loadAnimation(activity, R.anim.enter_from_top);
+            toolbar.startAnimation(toolbarAnimation);
 
-        Animation bottomMenuAnimation = AnimationUtils.loadAnimation(activity, R.anim.enter_from_bottom);
-        bottomMenu.startAnimation(bottomMenuAnimation);
+            Animation bottomMenuAnimation = AnimationUtils.loadAnimation(activity, R.anim.enter_from_bottom);
+            bottomMenu.startAnimation(bottomMenuAnimation);
+        }
 
         showing = true;
     }
 
-    private void hide() {
+    public void hide() {
         Animation toolbarAnimation = AnimationUtils.loadAnimation(activity, R.anim.exit_to_top);
         toolbarAnimation.setAnimationListener(new HideMenuAnimationListener());
         toolbar.startAnimation(toolbarAnimation);
@@ -77,9 +103,9 @@ public class ReaderMenu {
 
         activity.setToolbarTitle(manga.title);
         activity.setToolbarSubtitle(chapter.chapter_number != -1 ?
-                        activity.getString(R.string.chapter_subtitle,
-                                decimalFormat.format(chapter.chapter_number)) :
-                        chapter.name);
+                activity.getString(R.string.chapter_subtitle,
+                        decimalFormat.format(chapter.chapter_number)) :
+                chapter.name);
 
     }
 
@@ -88,6 +114,73 @@ public class ReaderMenu {
         seekBar.setProgress(pageIndex);
     }
 
+    private void initializeOptions() {
+        // Orientation changes
+        lockOrientation.setOnClickListener(v ->
+                preferences.setOrientationLocked(!preferences.isOrientationLocked()));
+
+        subscriptions.add(preferences.isOrientationLockedObservable()
+                .subscribe(this::onOrientationOptionChanged));
+
+        // Reader selector
+        readerSelector.setOnClickListener(v -> {
+            final Manga manga = activity.getPresenter().getManga();
+            final Dialog dialog = new AlertDialog.Builder(activity)
+                    .setSingleChoiceItems(R.array.viewers_selector, manga.viewer, (d, which) -> {
+                        if (manga.viewer != which) {
+                            activity.getPresenter().updateMangaViewer(which);
+                            activity.recreate();
+                        }
+                        d.dismiss();
+                    })
+                    .create();
+
+            // Hack to not leave immersive mode
+            dialog.getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
+                    WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
+            dialog.getWindow().getDecorView().setSystemUiVisibility(
+                    activity.getWindow().getDecorView().getSystemUiVisibility());
+            dialog.show();
+            dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE);
+            WindowManager wm = (WindowManager) activity.getSystemService(Context.WINDOW_SERVICE);
+            wm.updateViewLayout(activity.getWindow().getDecorView(), activity.getWindow().getAttributes());
+        });
+    }
+
+    private void onOrientationOptionChanged(boolean locked) {
+        if (locked)
+            lockOrientation();
+        else
+            activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
+        int resourceId = !locked ? R.drawable.ic_screen_rotation :
+                activity.getResources().getConfiguration().orientation == 1 ?
+                        R.drawable.ic_screen_lock_portrait :
+                        R.drawable.ic_screen_lock_landscape;
+
+        lockOrientation.setImageResource(resourceId);
+    }
+
+    private void lockOrientation() {
+        int orientation;
+        int rotation = ((WindowManager) activity.getSystemService(
+                Context.WINDOW_SERVICE)).getDefaultDisplay().getRotation();
+        switch (rotation) {
+            case Surface.ROTATION_0:
+                orientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+                break;
+            case Surface.ROTATION_90:
+                orientation = ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+                break;
+            case Surface.ROTATION_180:
+                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
+                break;
+            default:
+                orientation = ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
+                break;
+        }
+        activity.setRequestedOrientation(orientation);
+    }
+
     class PageSeekBarChangeListener implements SeekBar.OnSeekBarChangeListener {
 
         @Override
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
index eea229add..37e605d91 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/ReaderPresenter.java
@@ -232,4 +232,13 @@ public class ReaderPresenter extends BasePresenter<ReaderActivity> {
             loadChapter(previousChapter);
         }
     }
+
+    public Manga getManga() {
+        return manga;
+    }
+
+    public void updateMangaViewer(int viewer) {
+        manga.viewer = viewer;
+        db.insertManga(manga).executeAsBlocking();
+    }
 }
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
index 3a518a4d3..070ff3cab 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/base/BaseReader.java
@@ -1,7 +1,7 @@
 package eu.kanade.mangafeed.ui.reader.viewer.base;
 
 import android.view.MotionEvent;
-import android.widget.FrameLayout;
+import android.view.ViewGroup;
 
 import java.util.List;
 
@@ -11,12 +11,12 @@ import eu.kanade.mangafeed.ui.reader.ReaderActivity;
 public abstract class BaseReader {
 
     protected ReaderActivity activity;
-    protected FrameLayout container;
+    protected ViewGroup container;
     protected int currentPosition;
 
-    public BaseReader(ReaderActivity activity, FrameLayout container) {
+    public BaseReader(ReaderActivity activity) {
         this.activity = activity;
-        this.container = container;
+        this.container = activity.getContainer();
     }
 
     public void updatePageNumber() {
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
index 5d76d5bd3..c79f92301 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/HorizontalReader.java
@@ -1,7 +1,6 @@
 package eu.kanade.mangafeed.ui.reader.viewer.horizontal;
 
 import android.view.MotionEvent;
-import android.widget.FrameLayout;
 
 import java.util.List;
 
@@ -19,8 +18,8 @@ public abstract class HorizontalReader extends BaseReader {
 
     protected ViewPagerReaderAdapter adapter;
 
-    public HorizontalReader(ReaderActivity activity, FrameLayout container) {
-        super(activity, container);
+    public HorizontalReader(ReaderActivity activity) {
+        super(activity);
         activity.getLayoutInflater().inflate(R.layout.reader_horizontal, container);
         ButterKnife.bind(this, container);
 
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/LeftToRightReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/LeftToRightReader.java
index 18db8fb49..0e5eaf2e3 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/LeftToRightReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/LeftToRightReader.java
@@ -1,13 +1,11 @@
 package eu.kanade.mangafeed.ui.reader.viewer.horizontal;
 
-import android.widget.FrameLayout;
-
 import eu.kanade.mangafeed.ui.reader.ReaderActivity;
 
 public class LeftToRightReader extends HorizontalReader {
 
-    public LeftToRightReader(ReaderActivity activity, FrameLayout container) {
-        super(activity, container);
+    public LeftToRightReader(ReaderActivity activity) {
+        super(activity);
     }
 
     @Override
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/RightToLeftReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/RightToLeftReader.java
index 4cf4d0c4f..e63d983aa 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/RightToLeftReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/horizontal/RightToLeftReader.java
@@ -1,7 +1,5 @@
 package eu.kanade.mangafeed.ui.reader.viewer.horizontal;
 
-import android.widget.FrameLayout;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
@@ -11,8 +9,8 @@ import eu.kanade.mangafeed.ui.reader.ReaderActivity;
 
 public class RightToLeftReader extends HorizontalReader {
 
-    public RightToLeftReader(ReaderActivity activity, FrameLayout container) {
-        super(activity, container);
+    public RightToLeftReader(ReaderActivity activity) {
+        super(activity);
     }
 
     @Override
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/vertical/VerticalReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/vertical/VerticalReader.java
index 216c8199b..29ec85876 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/vertical/VerticalReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/vertical/VerticalReader.java
@@ -2,7 +2,6 @@ package eu.kanade.mangafeed.ui.reader.viewer.vertical;
 
 import android.support.v4.view.ViewPager;
 import android.view.MotionEvent;
-import android.widget.FrameLayout;
 
 import java.util.List;
 
@@ -20,8 +19,8 @@ public class VerticalReader extends BaseReader {
 
     private ViewPagerReaderAdapter adapter;
 
-    public VerticalReader(ReaderActivity activity, FrameLayout container) {
-        super(activity, container);
+    public VerticalReader(ReaderActivity activity) {
+        super(activity);
         activity.getLayoutInflater().inflate(R.layout.reader_vertical, container);
         ButterKnife.bind(this, container);
 
diff --git a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
index 9329b6e0f..a5d63bfc5 100644
--- a/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
+++ b/app/src/main/java/eu/kanade/mangafeed/ui/reader/viewer/webtoon/WebtoonReader.java
@@ -3,7 +3,6 @@ package eu.kanade.mangafeed.ui.reader.viewer.webtoon;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
 import android.view.MotionEvent;
-import android.widget.FrameLayout;
 
 import java.util.List;
 
@@ -22,8 +21,8 @@ public class WebtoonReader extends BaseReader {
     private List<Page> pages;
     private Subscription subscription;
 
-    public WebtoonReader(ReaderActivity activity, FrameLayout container) {
-        super(activity, container);
+    public WebtoonReader(ReaderActivity activity) {
+        super(activity);
 
         recycler = new RecyclerView(activity);
         layoutManager = new LinearLayoutManager(activity);
diff --git a/app/src/main/res/drawable-hdpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-hdpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..812ae6d5f
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-hdpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..43f607446
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_screen_rotation.png b/app/src/main/res/drawable-hdpi/ic_screen_rotation.png
new file mode 100644
index 000000000..6e86113fb
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-hdpi/ic_view_carousel.png b/app/src/main/res/drawable-hdpi/ic_view_carousel.png
new file mode 100644
index 000000000..7b96543e7
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/drawable-ldpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-ldpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..b9ca52da7
Binary files /dev/null and b/app/src/main/res/drawable-ldpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-ldpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-ldpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..5e8404f33
Binary files /dev/null and b/app/src/main/res/drawable-ldpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-ldpi/ic_screen_rotation.png b/app/src/main/res/drawable-ldpi/ic_screen_rotation.png
new file mode 100644
index 000000000..56ebc2d24
Binary files /dev/null and b/app/src/main/res/drawable-ldpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-ldpi/ic_view_carousel.png b/app/src/main/res/drawable-ldpi/ic_view_carousel.png
new file mode 100644
index 000000000..6d911d023
Binary files /dev/null and b/app/src/main/res/drawable-ldpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-mdpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..5d767ac08
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-mdpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..edb8dcd07
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_screen_rotation.png b/app/src/main/res/drawable-mdpi/ic_screen_rotation.png
new file mode 100644
index 000000000..4512bb19e
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-mdpi/ic_view_carousel.png b/app/src/main/res/drawable-mdpi/ic_view_carousel.png
new file mode 100644
index 000000000..5c6f94afd
Binary files /dev/null and b/app/src/main/res/drawable-mdpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/drawable-tvdpi/ic_file_download.png b/app/src/main/res/drawable-tvdpi/ic_file_download.png
deleted file mode 100644
index dd0db5bd9..000000000
Binary files a/app/src/main/res/drawable-tvdpi/ic_file_download.png and /dev/null differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-xhdpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..5f95a70c9
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-xhdpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..07091e785
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_screen_rotation.png b/app/src/main/res/drawable-xhdpi/ic_screen_rotation.png
new file mode 100644
index 000000000..18e92807b
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_view_carousel.png b/app/src/main/res/drawable-xhdpi/ic_view_carousel.png
new file mode 100644
index 000000000..a9ef5bd5d
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-xxhdpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..376682320
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-xxhdpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..e03499815
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_screen_rotation.png b/app/src/main/res/drawable-xxhdpi/ic_screen_rotation.png
new file mode 100644
index 000000000..c3dd5c628
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_view_carousel.png b/app/src/main/res/drawable-xxhdpi/ic_view_carousel.png
new file mode 100644
index 000000000..a77c46b67
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_landscape.png b/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_landscape.png
new file mode 100644
index 000000000..af031ea40
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_landscape.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_portrait.png b/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_portrait.png
new file mode 100644
index 000000000..66a80b999
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_screen_lock_portrait.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_screen_rotation.png b/app/src/main/res/drawable-xxxhdpi/ic_screen_rotation.png
new file mode 100644
index 000000000..d072f881c
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_screen_rotation.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_view_carousel.png b/app/src/main/res/drawable-xxxhdpi/ic_view_carousel.png
new file mode 100644
index 000000000..ab4206ceb
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_view_carousel.png differ
diff --git a/app/src/main/res/layout/reader_menu.xml b/app/src/main/res/layout/reader_menu.xml
index 5af00e95e..e0165a401 100644
--- a/app/src/main/res/layout/reader_menu.xml
+++ b/app/src/main/res/layout/reader_menu.xml
@@ -1,9 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:id="@+id/reader_menu"
-    android:visibility="gone">
+    android:visibility="gone"
+    tools:visibility="visible">
 
     <include layout="@layout/toolbar"/>
 
@@ -12,32 +14,79 @@
         android:layout_height="wrap_content"
         android:id="@+id/reader_menu_bottom"
         android:background="@color/reader_menu_background"
+        android:orientation="vertical"
         android:layout_alignParentBottom="true">
 
-        <TextView
-            android:id="@+id/current_page"
-            android:layout_width="32dp"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="8dp"
-            android:layout_gravity="center_vertical"
-            android:textColor="@color/light_grey"
-            android:gravity="center_horizontal" />
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
 
-        <SeekBar
-            android:id="@+id/page_seeker"
-            android:layout_width="0dp"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:layout_gravity="center_vertical" />
+            <TextView
+                android:id="@+id/current_page"
+                android:layout_width="32dp"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="8dp"
+                android:layout_gravity="center_vertical"
+                android:textColor="@color/light_grey"
+                android:gravity="center_horizontal"
+                android:layout_marginTop="12dp"
+                android:layout_marginBottom="12dp" />
 
-        <TextView
-            android:id="@+id/total_pages"
-            android:layout_width="32dp"
+            <SeekBar
+                android:id="@+id/page_seeker"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:layout_gravity="center_vertical" />
+
+            <TextView
+                android:id="@+id/total_pages"
+                android:layout_width="32dp"
+                android:layout_height="wrap_content"
+                android:layout_marginRight="8dp"
+                android:layout_gravity="center_vertical"
+                android:textColor="@color/light_grey"
+                android:gravity="center_horizontal" />
+
+        </LinearLayout>
+
+        <View android:background="#777777"
+            android:layout_width="match_parent"
+            android:layout_height="1dp" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginRight="8dp"
-            android:layout_gravity="center_vertical"
-            android:textColor="@color/light_grey"
-            android:gravity="center_horizontal" />
+            android:gravity="center_horizontal"
+            android:layout_marginTop="8dp"
+            android:layout_marginBottom="8dp">
+
+            <ImageButton
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:id="@+id/lock_orientation"
+                android:src="@drawable/ic_screen_rotation"
+                android:background="?android:selectableItemBackground" />
+            <ImageButton
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:background="?android:selectableItemBackground" />
+            <ImageButton
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:background="?android:selectableItemBackground" />
+            <ImageButton
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:id="@+id/reader_selector"
+                android:src="@drawable/ic_view_carousel"
+                android:background="?android:selectableItemBackground" />
+
+        </LinearLayout>
 
     </LinearLayout>
 
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 81aa3dc97..0f2d6ae76 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -14,10 +14,17 @@
         <item>4</item>
     </string-array>
 
+    <string-array name="viewers_selector">
+        <item>@string/default_viewer</item>
+        <item>@string/left_to_right_viewer</item>
+        <item>@string/right_to_left_viewer</item>
+        <item>@string/vertical_viewer</item>
+        <item>@string/webtoon_viewer</item>
+    </string-array>
+
     <string-array name="download_threads">
         <item>1</item>
         <item>2</item>
         <item>3</item>
     </string-array>
-
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/keys.xml b/app/src/main/res/values/keys.xml
index 85c3f0bd7..d8b8d0899 100644
--- a/app/src/main/res/values/keys.xml
+++ b/app/src/main/res/values/keys.xml
@@ -4,6 +4,7 @@
     <string name="pref_category_accounts_key">pref_category_accounts_key</string>
     <string name="pref_category_downloads_key">pref_category_downloads_key</string>
     <string name="pref_hide_status_bar_key">pref_hide_status_bar_key</string>
+    <string name="pref_lock_orientation_key">pref_lock_orientation_key</string>
     <string name="pref_default_viewer_key">pref_default_viewer_key</string>
     <string name="pref_download_directory_key">pref_download_directory_key</string>
     <string name="pref_download_threads_key">pref_download_threads_key</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 705a43985..971322f2f 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -29,6 +29,7 @@
       <!-- Reader section -->
     <string name="pref_hide_status_bar">Hide status bar</string>
     <string name="pref_viewer_type">Default viewer</string>
+    <string name="default_viewer">Default</string>
     <string name="left_to_right_viewer">Left to right</string>
     <string name="right_to_left_viewer">Right to left</string>
     <string name="vertical_viewer">Vertical</string>
@@ -82,5 +83,6 @@
     <string name="notification_completed">Update completed</string>
     <string name="notification_no_new_chapters">No new chapters found</string>
     <string name="notification_new_chapters">Found new chapters for:</string>
+    <string name="pref_lock_orientation">Lock orientation</string>
 
 </resources>
diff --git a/app/src/main/res/xml/pref_reader.xml b/app/src/main/res/xml/pref_reader.xml
index b8029dc89..cf3ae6c08 100644
--- a/app/src/main/res/xml/pref_reader.xml
+++ b/app/src/main/res/xml/pref_reader.xml
@@ -5,6 +5,10 @@
         android:key="@string/pref_hide_status_bar_key"
         android:defaultValue="true" />
 
+    <CheckBoxPreference android:title="@string/pref_lock_orientation"
+        android:key="@string/pref_lock_orientation_key"
+        android:defaultValue="true" />
+
     <ListPreference android:title="@string/pref_viewer_type"
         android:key="@string/pref_default_viewer_key"
         android:entries="@array/viewers"