-8 to change pen Colour -7 to change Backtdoop -9 to clear -Space to set colur to the same of the Backdroop (it would be like a eraser) -2 set the Pen off -1 activate Pen -If you have questions ask in the comments
The colour of the Pen can be the same whit the Backdroop -If you want save what draw what you want click on stop and remix it