Sudoku Tutor (Free)
Sudoku Tutor is a different Sudoku game from existing ones.
Sudoku Tutor can show the next SOLVABLE number and the position and why it is solved if a player needs help in solving a game.
Sudoku Tutor also allows player to create a game and guides player to solve it.
Sudoku Tutor classifies games into five classes, help player to practice different techniques.
Friendly user interface makes the game a joyful process.