Put a mark on the play ground. Direction from the mark to the shooter is moving
direction. Distance between the mark and the shooter is the magnitude of force
Press "Shoot" button.
Use "Clear..." for clearing your mark on the play ground
"New G..." button starts a new game.
Press "Lag" for lagging. (Default is starting with pink marble)
Press "Left" for turning all 13 marbles at the center by 45 degrees to left
at the beginning of the game
Press "Right" for turning all 13 marbles at the center by 45 degrees to right
at the beginning of the game