Program: 84687
Project: 84687
Buggy source:
@Override public void update(float deltaTime){
  Graphics g=game.getGraphics();
  int len;
  List<TouchEvent> touchEvents=game.getInput().getTouchEvents();
  List<KeyEvent> keyEvents=game.getInput().getKeyEvents();
  len=keyEvents.size();
  for (int i=0; i < len; i++) {
    KeyEvent kevent=keyEvents.get(i);
    if (kevent.keyCode == android.view.KeyEvent.KEYCODE_BACK && kevent.type == kevent.KEY_UP)     game.finish();
  }
  len=touchEvents.size();
  for (int i=0; i < len; i++) {
    TouchEvent event=touchEvents.get(i);
    if (event.type == TouchEvent.TOUCH_UP) {
      if (inBounds(event,BUTTON_SOUND_X,g.getHeight() - Assets.BUTTON_HEIGHT,Assets.BUTTON_WIDTH,Assets.BUTTON_HEIGHT)) {
        Settings.soundEnabled=!Settings.soundEnabled;
        if (Settings.soundEnabled)         Assets.click.play(1);
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new GameScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new HighscoreScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 2 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new SettingsScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 3 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new HelpScreens(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 4 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        if (Settings.soundEnabled)         Assets.click.play(1);
        ((MrMunchGame)game).finish();
      }
    }
  }
}

Fixed version (ground truth):
@Override public void update(float deltaTime){
  Graphics g=game.getGraphics();
  int len;
  List<TouchEvent> touchEvents=game.getInput().getTouchEvents();
  List<KeyEvent> keyEvents=game.getInput().getKeyEvents();
  len=keyEvents.size();
  for (int i=0; i < len; i++) {
    KeyEvent kevent=keyEvents.get(i);
    if (kevent.keyCode == android.view.KeyEvent.KEYCODE_BACK && kevent.type == KeyEvent.KEY_UP)     game.finish();
  }
  len=touchEvents.size();
  for (int i=0; i < len; i++) {
    TouchEvent event=touchEvents.get(i);
    if (event.type == TouchEvent.TOUCH_UP) {
      if (inBounds(event,BUTTON_SOUND_X,g.getHeight() - Assets.BUTTON_HEIGHT,Assets.BUTTON_WIDTH,Assets.BUTTON_HEIGHT)) {
        Settings.soundEnabled=!Settings.soundEnabled;
        if (Settings.soundEnabled)         Assets.click.play(1);
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new GameScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new HighscoreScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 2 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new SettingsScreen(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 3 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        game.setScreen(new HelpScreens(game));
        if (Settings.soundEnabled)         Assets.click.play(1);
        return;
      }
      if (inBounds(event,MENU_IMAGE_X,MENU_IMAGE_Y + 4 * Assets.MENU_ITEM_HEIGHT,Assets.MENU_ITEM_WIDTH,Assets.MENU_ITEM_HEIGHT)) {
        if (Settings.soundEnabled)         Assets.click.play(1);
        ((MrMunchGame)game).finish();
      }
    }
  }
}