Jul 19, 2015

[Ver 1.1.1]
Since [VERY HARD] There was some Sudoku questions mistake the issue of, was revised to correct Sudoku problem.
If in the subject of Sudoku problem answer, the answer will be reset.
(The cleared data cannot be reset)

[Ver 1.1]
Sudoku the easy to see adjustment

[Ver 1.0.1]
Exit in the back key