At least I give them four stars (this is my third game that gives you digits 0 to 9 by random, but also to convert to a picture)!
The only reason I don’t earn them the full five stars, is they don’t show you boxes in red, with a white or black number, on where errors appear. For example, a 5 appears in the exact middle with 8 other squares, but not exactly five squares turning black when put together. It also does not describe the puzzle title when you solve it (such as a girl, or a penguin).
You should extend the number of puzzles in small mode from 6 pages to 10 pages, and big mode from 17 pages to 18 pages (360 puzzles). I hope you can do it in March, but no payment required!
But as another person had said, the game needs to work on saving any part of a puzzle done by the consumer when not playing Mine Dot, until he or she resets, not the game itself.