Tic Tac Toe You can play Tic Tac Toe on your Android device for free.
This app is a Blackbird game for two players, X and O, who take turns marking spaces in a 3 × 3 or 4x4 network. A player who succeeds in placing three marks in a vertical horizontal row, or a diagonal wins the game.
In this game you can play with a friend or play alone against artificial intelligence. The more you win the next stage is more difficult.
It is the most famous application currently.