Click on the s button to start and the red button to stop. When you finished drawing then to draw another thing you click the up button to clear the drawing. After you have done this you can draw again. You can draw anything.
I made this project because I have been trying to do lots of projects with the pen and this was another of those. I started doing the pen when I was experimenting with new things. This should hopefully be a fun game to play especially if you like drawing.