Sudoku 16x16

This is an awesome app game that allows you to play an unlimited amount of sudoku puzzles on your iPhone, iPod Touch and iPad. Randomly generated puzzle, Scoring system, Game center of Sudoku with amazing graphics, animations and ease of use.

Features:
- Support Facebook and Twitter
- Support !!!!!! GAME CENTER !!!!!!!, 22 Leaderboards.
- Five levels of difficulty.
- Four appearances are available to be selected.
- Pause/Resume.
- Smart note, Auto note.
- Automatically check for incorrect numbers.
- Keep device from sleeping, your iPhone/iPod and iPad no longer sleep while you are thinking a puzzle.
- Compatible with iOS4.x/5.x iPod, iPhone device, Retina Display for iPhone 4 and iPad support.

Any reviews and ratings are all appreciated, your comments are making this app become better!!