diff --git a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScrollScreenAdapter.java b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/AbstractScrollScreen.java
similarity index 84%
rename from demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScrollScreenAdapter.java
rename to demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/AbstractScrollScreen.java
index 4812c653..c5d2de4e 100644
--- a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScrollScreenAdapter.java
+++ b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/AbstractScrollScreen.java
@@ -11,7 +11,7 @@ import love.distributedrebirth.gdxapp.Demo4DMain;
 import love.distributedrebirth.gdxapp.Demo4DMainAdapter;
 
 @BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
-abstract public class ScrollScreenAdapter extends Demo4DMainAdapter {
+abstract public class AbstractScrollScreen extends Demo4DMainAdapter {
 	private static final int LINE_HEIGHT = 16;
 	private float scrollDeltaTime = 0f;
 	private String scrollText = "";
@@ -19,7 +19,7 @@ abstract public class ScrollScreenAdapter extends Demo4DMainAdapter {
 	private int scrollLine = LINE_HEIGHT;
 	private final Texture backgroundImage;
 	
-	public ScrollScreenAdapter(final Demo4DMain main, String background) {
+	public AbstractScrollScreen(final Demo4DMain main, String background) {
 		super(main);
 		backgroundImage = new Texture(Gdx.files.internal(background));
 	}
@@ -64,19 +64,30 @@ abstract public class ScrollScreenAdapter extends Demo4DMainAdapter {
 	}
 	
 	@Override
-	public void hide() {
+	public final void show() {
+		showScroll();
+	}
+	
+	protected void showScroll() {
+	}
+	
+	@Override
+	public final void hide() {
 		scrollText = "";
 		scrollIndex = 0;
 		scrollLine = LINE_HEIGHT;
+		hideScroll();
 	}
-
+	
+	protected void hideScroll() {
+	}
+	
 	@Override
 	public final void dispose() {
 		backgroundImage.dispose();
-		disposeScreen(main);
+		disposeScroll();
 	}
 	
-	protected void disposeScreen(Demo4DMain main) {
-		// override if needed
+	protected void disposeScroll() {
 	}
 }
diff --git a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenCredits.java b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenCredits.java
index d50788d9..8bb9457f 100644
--- a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenCredits.java
+++ b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenCredits.java
@@ -7,7 +7,7 @@ import love.distributedrebirth.gdxapp.Demo4DMain;
 import love.distributedrebirth.gdxapp.music.MusicSongType;
 
 @BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
-public class ScreenCredits extends ScrollScreenAdapter {
+public class ScreenCredits extends AbstractScrollScreen {
 	private final String creditsText = String.join("\n",
 			"Credits;",
 			"At-Ohm-Allah-to-the-power-of-Four",
@@ -78,12 +78,12 @@ public class ScreenCredits extends ScrollScreenAdapter {
 	}
 	
 	@Override
-	public void show () {
+	public void showScroll() {
 		main.music.play(MusicSongType.CREDITS);
 	}
 	
 	@Override
-	public void hide () {
+	public void hideScroll() {
 		main.music.play(MusicSongType.BACKGROUND);
 	}
 }
diff --git a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenHelp.java b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenHelp.java
index d2771df2..5e0d7d43 100644
--- a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenHelp.java
+++ b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenHelp.java
@@ -7,7 +7,7 @@ import love.distributedrebirth.gdxapp.Demo4DMain;
 import love.distributedrebirth.gdxapp.music.MusicSongType;
 
 @BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
-public class ScreenHelp extends ScrollScreenAdapter {
+public class ScreenHelp extends AbstractScrollScreen {
 	private final String creditsText = String.join("\n",
 			"Genesis 11",
 			" ",
@@ -61,12 +61,12 @@ public class ScreenHelp extends ScrollScreenAdapter {
 	}
 	
 	@Override
-	public void show () {
+	public void showScroll() {
 		main.music.play(MusicSongType.INTRO);
 	}
 	
 	@Override
-	public void hide () {
+	public void hideScroll() {
 		main.music.play(MusicSongType.BACKGROUND);
 	}
 }
diff --git a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenIntroMission.java b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenIntroMission.java
index 1feb810c..c259ed24 100644
--- a/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenIntroMission.java
+++ b/demo4d-gdxapp/src/main/love/distributedrebirth/gdxapp/screen/ScreenIntroMission.java
@@ -7,7 +7,7 @@ import love.distributedrebirth.gdxapp.Demo4DMain;
 import love.distributedrebirth.gdxapp.music.MusicSongType;
 
 @BãßBȍőnAuthorInfoʸᴰ(name = "willemtsade", copyright = "©Δ∞ 仙上主天")
-public class ScreenIntroMission extends ScrollScreenAdapter {
+public class ScreenIntroMission extends AbstractScrollScreen {
 	private final String missionText = String.join("\n",
 			"To a Waterfowl",
 			"    -- by William Cullen Bryant --",
@@ -71,7 +71,7 @@ public class ScreenIntroMission extends ScrollScreenAdapter {
 	}
 	
 	@Override
-	public void hide () {
+	public void hideScroll() {
 		main.music.play(MusicSongType.BACKGROUND);
 	}
 }