Awesome Sudoku

In this game you should fill 9x9 grid. It subdivided by smaller 3x3 sub-grids. Main rule is that all sub-grids should contain each number from 1 to 9 only once. As well as in any row and in any column should contain each digit once. Application is distributed under MIT license, so you can check source code and help with following development: https://github.com/l4l/android_sudoku