click the green flag, go into fullscreen mode, select a color, change the size (if you want), and draw. if you wanna see the info, press i, and press ↓ (down arrow) to minimize the message. to clear the canvas, click the trash can. to erase something, press the eraser button. (the icon next to the trash can)
this took pretty long to make i used scratch to make almost everything but i used gimp to make the thumbnail (which i might need to fix)
