The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
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download may not be available in some countries.
From Rodolfo Graa:
Puzzles of Sudoku (free edition) gives you a new experience in solving sudoku puzzles on your iPhone or iPod, with gestures that feel more natural on this kind of device and neat animations :- Enter digits by swiping up and down on a cell;- Spotted a digit in a wrong cell? Quickly move it to the correct one;- Stretch a cell and annotate directly on it when multiple candidates digits exist for that cell.Puzzles of Sudoku (free edition) also offers you:- Possibility to play standard Sudokuor Sudoku-X variant- Unlimited set of easy to hard puzzles;- Symmetric puzzles or non-symmetric puzzles or let the app choose for you;- Ability to change the board color from a predefined set;- Undo/redo moves. The history of your move is kept even if you close the app;- Autocompletion of a cell so that the last empty cell in a row, column of area can be automatically filled with a double-tap.- Restart a puzzle- Hinting of cells- Resign a puzzle (showing the puzzle solution).Puzzles of Sudoku (free edition) has the same gameplay as the paid version, but hasthe following differences:- Puzzles are easier to solve, even on the maximum level of difficulty;- Undo/redo information has a limit on the moves that are tracked (hopefully a big one, but still a limit) and it's not persisted if you quit the app;- Banners are shown while playing (no banners on the paid version)