Fix: refactoring appButton

src/game/menu/menu_app.js

@@ -55,7 +55,7 @@ class MenuApp {
 			let activeApp = replyJSON[i];
 			if(self.isMouseApp(activeApp)) {
 				mouseAppIndex++;
-				new AppButton(startX + 150 * mouseAppIndex, 300, AppButton.TYPE_MOUSE,
+				new GameAppButton(startX + 150 * mouseAppIndex, 300, AppButton.TYPE_MOUSE,
 					activeApp.AppName, AppButton.NONE_BUTTON_TEXT,
 					() => {
 						sessionStorageManager.playingAppID = activeApp.AppID;
@@ -67,7 +67,7 @@ class MenuApp {
 		}
 
 		if(typingPracticeAppCount > 0) {
-			new AppButton(game.world.width / 2, 500, AppButton.TYPE_TYPING,
+			new GameAppButton(game.world.width / 2, 500, AppButton.TYPE_TYPING,
 				"icon_fullscreen", "타자 연습\n(임시)",
 				() => {
 					location.href = '../../web/client/menu_typing_practice.html';