A free program for Android, by ReachJunction Media Limited.

Sudoku is a logic puzzle game that challenges your brain to keep you thinking.

The goal is to fill the grid with numbers from 1 to 9 so that each number can only appear once in each row, each column, and each mini-grid.

To help you keep your brain active, it also provides several different difficulty levels to choose from.

The game is not only easy to get started with, but also very beneficial to our brains.

Sudoku can be played in a number of different ways.

You can use your finger or a stylus to enter the numbers into the grid.

The game also has an option to let you view your progress.

You can also use the game to help keep your brain active by playing it frequently.