Brainium is the #1 Sudoku game you know and love for your Android phone and tablet, and the best way to learn and improve your skills in this classic puzzle game.
https://play.google.com/store/apps/details?id=com.brainium.sudoku.free&hl=en
https://itunes.apple.com/us/app/sudoku/id418044512
https://play.google.com/store/apps/details?id=com.brainium.sudoku.free&hl=en
https://itunes.apple.com/us/app/sudoku/id418044512