mouse down to draw, use the pen color slider to change your color, pen size for size, Saturation slider for saturation, and brightness slider for brightness. be sure to hit the ⭐️and ❤️ button!
Just some tips: pen color 0 and 100 = red pen color 15 = yellow pen color 25 = lime green pen color 50 = light blue pen color 75 = purple pen color 85 = magenta loved by @hcps-kaurb