This is the number one paper Sudoku (Sudoku Ultimate) app in Brain & Puzzle With 5 difficulty levels in the market.Always a new Sudoku game is automatically generated.And it will also be treated as kids advance sudoku,enjoy the infinite world of Sudoku Six By Six.Some Highlights:—————-1)very good user interface easy to understand and play.2)unlimited sudoku puzzles.3)five different levels (very Easy,Easy,Normal,Hard and Very Hard).4) Reset the Puzzle5) submit the puzzle6) undo and redo 7) score bord5) hint6)good for beginner to learn sudoku.*Last but not least ,please give us rating and encourage us