Description: Drop7 Tetris meets Sudoku in this refreshingly original, addictive puzzle game. • Master the unique gameplay twist in seconds but fine-tune your strategies forever. • Choose from three modes of play: the more relaxed Normal Mode, the fast-paced Hardcore Mode, or the mysterious Sequence Mode in which you will be given the exact same discs as everyone else on the planet for the ultimate test of strategy! • Record your high scores globally and among your Facebook friends, and track your average score in each mode to see how you improve over time. • Zone out to the hypnotic numerical spell of Drop7 -- you may become a master without even trying! Android 2.1 Eclair Software for android 2.1 Compatible Smart phones.