Unbeatable tic tac toe AI, using an algorithm similar to minimax , in vanilla JavaScript as a webpage and as an android .apk using App Inventor and Java (with app inventor extensions).
On Debian/Ubuntu and derivatives you run the install script
git clone https://github.com/Greece4ever/Tic-Tac-Toe.git tic_tac_toe &&
cd tic_tac_toe/ &&
sudo /usr/bin/bash installGenerally to build an app inventor extension what is required is javac and ant. You clone this repo and replace the src/ folder there with the one on this repository, then run ant extensions. More details can be found here and here.

