This app is a Sudoku puzzle you can print out and enjoy.
Various levels of difficulty can be enjoyed by the whole family.

Sudoku is automatically generated.
The level is neither too easy nor too difficult, but just the right amount.
Sudoku puzzles can be uploaded.
Someone somewhere can download and enjoy them.

※ By scanning the QR code printed with the Sudoku puzzle with your iPhone camera, you can reproduce the same Sudoku puzzle on the app.
※ You can download and vote for your favorite Sudoku puzzles by "Like" them.