[ Play screen operation ]
Screen zoom in and zoom out

- If you want to see the drawing smaller, you can reduce the screen by narrowing both fingers.

- If you want to see a drawing larger, you can spread your fingers apart to enlarge the screen.
Moving screen

- Moving screen in an empty space
- You have to touch and drag an empty space without the yarn button to move the screen.

- Moving the screen with two fingers
- Use two fingers to freely move the screen anywhere.