Play the beloved game to train your brain!

Still a hit and still important for intellectual longevity, sudoku is appropriate for almost anyone. The same goes for this app, Sudoku Game.

Within its interface, Sudoku Game gives you a playing board, number keys, a scratch pad and the capacity to go back and change your answers. It also gives you the ability to learn the popular game and develop durable mental pathways.

Sudoku Game has an array of settings that can help you customize your edition. To keep you in tune with playing the game, you can set its skill level, and you can make it more difficult as you improve. The app also supports English and Japanese, and its Help menu can give you a nudge in the right direction when you need it.

To use this app, you need a tablet or smartphone with Android 2.3 or better.