Connect4 is also known as Tic Tac Drop. Connect 4 balls in a row, and you win. This game uses a very clever model of artificial intelligence, so you may find beating it pretty hard! Features of the game include: • 5 level of Computer AI, from Very Easy to Very Hard • Cool and cute graphics • Beautiful sound • Easy to play • Player's Statistic • Help An addictive and entertaining game on your PDA.