public Game() setPreferredSize(new Dimension(320, 240)); setBackground(Color.BLACK); // Example background color

Since modern smartphones do not natively support .jar files, you need an emulator:

gameLogic = new GameLogic(); AnimationTimer timer = new AnimationTimer() @Override public void handle(long currentTime) gameLogic.update(currentTime);

Java Game: Jar 320x240

public Game() setPreferredSize(new Dimension(320, 240)); setBackground(Color.BLACK); // Example background color

Since modern smartphones do not natively support .jar files, you need an emulator: java game jar 320x240

gameLogic = new GameLogic(); AnimationTimer timer = new AnimationTimer() @Override public void handle(long currentTime) gameLogic.update(currentTime); public Game() setPreferredSize(new Dimension(320