1)Draft Function (This function,we have got the patent which is very unique.You may input 1-9 directly make a draft on it, digit to input. If it is ok, then more to next gird. In normal sudoku game,you need prepare a paper for draft use,now you can threw it away,our sudoku game makes you draft in game at any way you want.)
2)Super-capacitiy of puzzles(Our sudoku game include 1,000,000 puzzles built in.)
3)Super big LCD (Our LCD size is 52*76MM which is more big.)
4) Help function (Give you a right digit only 3 times.)
5) Review answers function
6)Standard answer prompts function
7) Answer make-up test
8)Three mode: time/date display. Alarm. Game
9)E-saving pattern
10) Five levels and programs can be chose