This is my second cloud paint. Use WASD or arrow keys to scroll around, S to save your drawing, and click to draw. Also, to change your pen color (shown in top right circle), click the palette on the bottom to select a color.
I used nearly all the cloud data available to make this. It saves faster than the original, and has 27 colors. (The color will be choppy after saving because of the compression used. Cloud Paint 1: https://scratch.mit.edu/projects/380333764/