Press the flag to start Click "See inside" to use this engine or change the joystick mode. There are two modes that you can switch between by clicking the option in the top right, In "tap" mode, you tap anywhere on the screen to show the joystick. On "stationary mode" it will be in the corner.
You can backpack the joystick sprite to use it in a project. (this got a major update on 7/30/2024)