The free Sudoku app is a game that lets you train your brain. You can enjoy the challenge of playing it on your mobile phone.

There are a lot of Sudoku apps available in the Google Play Store. We've chosen the best ones you can download and play on your Android device, and the Sudoku - Classic Sudoku Puzzle is one of the best and most popular games in the category. It's a classic puzzle game that is easy to play. You don't need to do anything special to play it. All you have to do is to fill a 9x9 square with all the numbers from 1 to 9.