Strongest Tic-Tac-To

Japanese chess games such as Shogi and Igo have their own set of rules.
However, while shogi and go joseki are relative and go in and out of fashion over time, tic-tac-toe joseki is absolute and does not go in and out of fashion over time.
Once you learn tic-tac-toe joseki, you won't be defeated and it is permanently valid.
This app is equipped with the absolute standard of tic-tac-toe.
So, just by learning how to play this application, you will not lose and, at the very least, you will be able to make every game a draw.
The rewind button also handicaps the computer so that it can play unfavorable moves, so players who use the rewind button frequently will have a high probability of winning.