As I do not have a Dingoo yet, but Gemei X760 software seems to be sort of compatible, anyone can confirm this running on Dingoo?
Majong: http://www.5idoudou.net/subzeroblog/post/18.html
Sokoban: http://www.5idoudou.net/subzeroblog/post/13.html
Sudoku (Black & White): http://www.5idoudou.net/subzeroblog/post/11.html
Update:
Just found out there is a thread about the Sokoban already and it does work, so still two games to check