Crosses Puzzles: Unlimited Domino comes from Yufeng Long. The object is to get all the crosses to become white. Each cross can be in 1 of 4 positions: Red (right), Green (down), Yellow (left) and White (up).
When a green cross becomes yellow, if it points to another cross on its left, then that cross will rotate too. Solving 1 cross can lead to the un-solving of its neighbors because there is often a chain reaction. There's a lot to like about Crosses Puzzles: Unlimited Domino. The graphics are nice. The puzzles start out easy and gradually, I was able to come up with a system.  But then the harder questions made me rethink that. 
I especially like that there are only 60 levels.  Of those, I've done 29 and am stuck on 30.https://itunes.apple.com/us/app/crosses-puzzles-unlimited/id1094198433"mt=8

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