This app was mentioned in 6 comments, with an average of 1.00 upvote
I've been enjoying Crab War, a colourful little tap-based game. You don't really "win" at it per se though, whether you pay or otherwise; it sort of just... keeps going.
Linkme: Crab War
EDIT: The bot linked to the wrong game. Correct link: https://play.google.com/store/apps/details?id=com.appxplore.crabwar
Linkme linked the wrong game so heres the address for Crab War: https://play.google.com/store/apps/details?id=com.appxplore.crabwar