Welcome to Scratch Paint! Hold down the mouse to draw! Press the button with the arrows to hide / show the UI! Use the sliders at the top to change the attributes of the drawing tool. The pen color changes what color the drawing tool is, pen saturation determines how white your drawing tool is, pen transparency determines how clear your drawing tool is, pen brightness determines how dark your drawing tool is, and pen size determines how large your drawing tool is. Press Clear All to delete everything you've drawn. It gives you a warning, so it is difficult to do it accidentally. If you use the option to remove that warning, then the warning won't be there, though it will be extremely risky. Press Eraser to quickly turn your drawing tool into an eraser. To switch it back to normal, edit the sliders back to how you want the drawing tool to be. The circle at the bottom right of the screen shows what your drawing color will look like, minus the transparency. Enjoy!
Note: This is a revamped version of a project I have already made, so I unshared it, edited it, and reshared it. Welcome to Scratch Paint, previously known as "draw anything!"