This app was mentioned in 5 comments, with an average of 1.40 upvotes
I'm obsessed with 7x7.
It looks quite similar to this
The game 7x7. It's really fun, well made, and very small (1.07MB).
Link me: 7x7 - Best Color Strategy Game
Edit: Linkme has failed. The link for 7x7 is here.