I have found this new android as well as IPhone game called sudoku block puzzle lite, its fun so i thought i will share it with you guys. it is a new way to solve sudoku. you can read about it or download it at:
android free version: play.google.com/store/apps/details?id=com.hitechvalley.SudokuLite
IPhone free version: https://itunes.apple.com/app/id558281177
have a great day