SDK 9x9 with Thumb One

As you know, "number place" is the famous puzzle in a world. It is known as "Sudoku *1". Therefore, we do not explain about the rules. If you do not know about it, please search the word on web. In this application, we adopted a new input method "Thumb One" for a smart phone. When you are working with a smart phone with one hand, you can enter the answer and pencil marks in just thumb of one hand. This application has about 600 puzzles. This Application is a part of "Umekichi Project". SDK9x9 means "Standard Sized Sudoku". Released on 28th SEP., 2013. *1 "Sudoku (SUDOKU)" is a registered trademark of NIKOLI Co., Ltd. in Japan.