iDoku is a full Sudoku (Number Place) game and solver in one application.iDoku can be customized to suit the level of difficulty you require. If you get stuck, then there is alwaysthe solve button to help you.If you are having trouble trying to solve a Sudoku puzzle that has been given to you, then you can get iDokuto start with a blank game so that you can fill in the "givens" and get iDoku to help you finish the game.