经典数独游戏，包含数千个谜题（无广告）
Sudoku is a well known logic game in the world, you have to finish it by filling in 1-9 digits onto the board without repeat in a row, column and block with clues provided. " Just Sudoku Premium" let you enjoy the fun and challenge these sudoku puzzles anywhere and anytime.
Key Features:
> No Ads
> Offline Play
> Unlimited hints
1.Four difficulty levels :Beginner, Easy, Medium, and Hard.
2.10000+ puzzles of each level.
3.Keep the progress for continuing your game next time.
4.Undo/Redo function unlimited.
5.Optional auto check, show remaining number of digits and use hint to further adjust difficulty of each level.
6.You can select the grid or input number first to let you solve puzzles more efficiently.
7.Achievements for collecting and challenging.
8.Clean interface to let you focus on the puzzle.