Nested Tic Tac Toe is a simple variant of Tic-Tac-Toe, that adds much more strategy and depth to the game

Google play - https://play.google.com/store/apps/details?id=net.drumber.nestedtictactoe

Take turns placing noughts/crosses like the original game. Win three Tic-Tac-Toe games in a line to win the game. The position of your move determines in which Tic-Tac-Toe game your opponent must play.

• Local multiplayer
• Challenging AI
• Watch AI fight for your amusement

calcstates.cpp - The AI classifies game states using a lookup table. This is the c++ code that generates that table (in JSON format).

• LibGDX - http://libgdx.badlogicgames.com/
• Icon buttons - http://opengameart.org/content/onscreen-controls-8-styles