WASD/ARROW keys to move the pen Q or E to move color set C to clear all B to change background color P to change the way how the pen moves (by mouse or keyboard) SPACE or MOUSE CLICK to use the pen TIP: all colors can be quickly selected with your keyboard: red to pink is 1 to 9, the orange in exception is 0 example: press the key "9" to select the pink color!
Simple as it looks! Just make sure to move that mouse out of the green flag when you click on it.
