Satori Sudoku Lite for iPhone - 1.95

Satori Sudoku Lite for iPhone will provide endless hours of challenging puzzles. It features game generator capable of producing millions of unique puzzles, multiple levels of difficulty, ability to pencil mark a cell with possible answers, game state automatically saved and resumed, highlight mode that shows all valid cells for a selected number, auto mode that shows only the valid numbers for a selected cell, show errors mode that marks invalid answers, option to disable auto-lock, auto-fill for pencil marks and notes, game timer, and best times.