A TicTacToe app with three themes :
1) Xs and Os
2) Sun and Moon
3) Cat and Dog

There are two play modes :
1) Single-player versus an AI player. In this case the players are referred to as "Player" and "Computer"
2) Two-player. In this case the players are referred to as their current icon.
* In both play modes, the icon chosen for each player is random.