There is no Redo key on screen
Needs some improvement to make it more user-friendly 1. Hints in case you're badly stuck giving the next logically possible move 2. Validation of the moves made so far with errors highlighting 3. Other than the three best games in each category, a log perhaps of the performance in the last say 10 games in each category
Great game, easy to play, the adds are in good taste without being overbearing overall a worthwhile download.
Just like sudoku on brain training on the Nintendo ds
Love it, great way to play, levels are easy to get from one level to the next!
I really like it. Would not mind to have a version with no banners