Straightforward Logic Puzzles
If you enjoyed Hexa Cell, then you will also enjoy Color Cell which is its square counterpart. I completed the game and I think its difficulty curve is fair.
Not enough ratings yet to assess Color Cell.
Color Cell - Number Puzzles appears to be a legitimate app. AppsHunter Legitimacy Score for Color Cell is 80/100.
Based on 80 of 100 points across 7 verification signals from App Store and developer data.