软件介绍：

?SUDOKU：SUDOKU with UNLIMITED puzzles of ANY DIFFICULTY at ANY TIME and the ability to switch between MULTIPLE ACTIVE GRIDS.

As featured in the WIRED MAGAZINE APP GUIDE special edition in collaboration with GIZMODO.

? It's FAST: No lengthy intros or slow animations.
? It's EASY to use: BIG buttons avoid fat-fingering.
? It lets you keep NOTES, just like paper Sudoku.
? It supports UNDO and REDO operations.
? It features AUTO NOTES options.
? It can HIGHLIGHT CONFLICTS and ERRORS.
? It offers MANY OPTIONAL input and display SETTINGS.
? It keeps your solve time STATISTICS.
? It plays YOUR iPOD MUSIC and nothing else.
? It supports the RETINA display.
? It works completely OFFLINE.
? It's UNIVERSAL: Works on iPad, iPhone, and iPod touch.

The "easy" level is great for a quickie puzzle on the go. Or, try "diabolical" for a sleepless night of puzzle solving. With 6 distinct difficulty levels, there's always a puzzle ready for any occasion! And with multiple active grids, you can always put one aside when you're stuck and go back to it later.

Enjoy,
The friendly team at mindthefrog :)