"Up arrow" is to pause painting. "Down arrow" is to resume painting. "C" is to clear your painting. The paint will follow the cursor. To change the settings while painting: Hold down the number shown on the variable and press the left or right arrows to change it. Example: To make the "Range" larger, hold down the "1" key and Press the right key until you are satisfied. < Full Screen>
I was trying to recreate "Butterfly Painter One" but I got something even better. Interesting Combos- [Range 40-80, Shade 40, Thickness 1, Color speed 25] [Range 180, Shade 50, Thickness 60, Color speed 65]