Tic-tac-toe or Xs and Os is a two players game played on paper, The player who take turns marking the spaces in a 3×3 grid. The player who succeeds in placing three consecutive marks in a horizontal, vertical, or diagonal row wins the game.

You can play in 2 modes :

1) Single player against Ekraft(Computer).
2) Two players on same device.

Now play this game with paper pen on your mobile phone.