Just FYI, new Kindle app:
Red Hot Sudoku #1 (A Puzzle Collection) by Puzzazz ($0.99)
Quote:
Product Description
If you prefer challenging Sudoku puzzles, then this first edition of Red Hot Sudoku is the title for you.
Every one of these 33 carefully constructed puzzles has been calibrated to give you a significant challenge. Sure, you need to know the rules of Sudoku, but you better have a few extra tricks up your sleeve if you want to tackle these puzzles!
You will appreciate features like in-cell notes, that help make solving these puzzles as easy as it is on paper. You can move to another puzzle at any time without losing the progress on your current puzzle, and come back to that puzzle whenever you like.
If you're looking for Sudoku puzzles that are hand-crafted specifically for players who enjoy difficult puzzles, then pick up Red Hot Sudoku!
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