Press 'SPACE' to erase all Press 'W' to stop drawing Press 'S' to start drawing Press 'A' to decrease thickness Press 'D' to increase thickness Press '0' for black pen Press '1' for a red pen Press '2' for a orange pen Press '3' for a yellow pen Press '4' for a green pen Press '5' for a light blue pen Press '6' for a dark blue pen Press '7' for a purple pen Press '8' for a pink pen
