This app was mentioned in 7 comments, with an average of 2.57 upvotes
https://play.google.com/store/apps/details?id=com.craneballs.artdrive looks similar.
Edit: you are paperbunker woah.
Great game, I played it a lot
Can you explain how you did the colours spreading effect
Link to the game: https://play.google.com/store/apps/details?id=com.craneballs.artdrive
Eh may aswell throw the link here.
https://play.google.com/store/apps/details?id=com.craneballs.artdrive