to change color click in left up corner on circle and select color using slider for : red green blue (sliders are pen made too) to turn grid on press 'H' on keyboard and selct grid to be 1 or 0 and to hide menu press 'H' too to save your picture press spacebar, to load you picture press 'i'
USE TURBOWARP: https://turbowarp.org/903639041?fps=60&hqpen&stuck&turbo
