Seen Twitch Paint in action and imagine something...more?
Thought of a small tweak to improve the experience, a fun direction to enhance the enjoyment?

I'd be happy to hear all of them here.

Some ideas so far:
 Power Moves: Player is rewarded with paint points for painting on the canvas, these points allow the user to make power moves, painting  larger areas of the canvas in a single swift action. 
 eg. Box, H Line, V Line

Paint Tools: Powerful tools for the streamer's painting flow experience.
 eg. Fill Color, Line, Box, Radius,