Click SPACE to erase. Click P to change pen size. Click D to reset pen size. Click T to change color transparency. Click C to change pen color. Click B to change color brightness. Click S to change color saturation. Click Q to stamp a random stamp. Click Z to set the pen color to black. Click G to set the pen color to grey. Click R to reset the pen color. Click RIGHT ARROW or LEFT ARROW to change background color.
If you have any suggestions, please tell me in the comments! UPDATES: 1. background color 2. stamps 3. added black pen color 4. added grey pen color 5. added reset key
