Click The Green Flag. The pencil will follow your cuser around the screen and leave a trail WITHOUT YOU CLICKING IT. To keep the pencil from drawing, click the 2 button. To make your pencil draw again, click the 1. To erase, click the E. To change color, search for the color you want on the screen and click the letter shown on the color. To change size, click the up and down arrows. To hide your X and Y, click 3. To show your X and Y, click 4. I guess that's it. Have fun!
Soooooooooooo... I kind of remixed a remix of my own thing. But only because @STORMFURY11 added some things I was going to.