Tic Tac Toe Free

Tic-tac-toe (also known as Nought and crosses or Xs and Os) is a paper-and-pencil game for two players, X and O, who take turns marking the spaces in a 3×3 grid.

The player who succeeds in placing three of their marks in a horizontal, vertical, or diagonal row wins the game.
You can now play Tic Tac Toe on android device :D forget about paper and pencil.

This game has 2 modes : One player mode in which you play against computer, and Two players mode if you want to play with your friends.