1D key - Pen down U key - Pen up 1 key - Set pen color to red 2 key - Set pen color to orange 3 key - Set pen color to yellow 4 key - Set pen color to green 5 key - Set pen color to blue 6 key - Set pen color to purple 7 key - Set pen color to black 8 key - Set pen color to white #all #apps #pen
