- Sep 19, 2015
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In my version of Sudoku I added some features that I missed in other Sudoku apps. These are either usability features to improve gameplay, or features that support you while solving sudokus:
Sudoku Dojo Free Download Link
I'd be very happy, if you gave Sudoku Dojo a try. I'd also appreciate your feedback and improvement suggestions.
Here is a screenshot of the normal gameplay:

...receiving logical advice, when stuck:

- No "pencil" mode needed to enter cadidates/notes - simply use short presses on the numbered buttons for notes and long presses for values.
- Double tapping a cell containing a naked or hidden single will set the value.
- It highlites same values, if you tap on a solved cell and highlightes values and cells containing the same candidate, if you press and hold a solved cell.
- Does not display ads during gameplay. (There's also a pay-once version, which is completely ad-free.)
- If you are stuck, Sudoku Dojo will give you logical advice on how to make progress. This advice will be displayed as a concise explanation, as well as a graphical representation.
- Unlimited undo/redo, which is even saved, when playing is paused - so if you receive a phone call while playing, you can still use undo when returning to the game.
- Conjugate pairs can be colored and combined to chains, so that you can apply simple and multicolored techniques.
- Unlimited Sudokus - new ones are generated while you play, so you'll never run out of your favourite number puzzles.
- Google Play Services integration with 9 achievements (30.000 XP).
- The only permissions that Sudoku Dojo Free requires are the permission needed by AdMob for displaying ads. The pro version does not require any permissions.
- Clean an uncluttered user interface.
Sudoku Dojo Free Download Link
I'd be very happy, if you gave Sudoku Dojo a try. I'd also appreciate your feedback and improvement suggestions.
Here is a screenshot of the normal gameplay:

...receiving logical advice, when stuck:
