https://play.google.com/store/apps/details?id=coloring.color.number.happy.paint.art.drawing.puzzle&hl=en_US

It's Tap Color Pro.

I've been recommended another one that I can't remember the name of. I know that part of the name is “Vita”, but I really don't remember it well. It was recommended to me because it's more friendly to tired eyes, and that's something that can be highly recommended to me.

!ALIVE !PGM !LOLZ