Backgammon is a classic board game that has been played for thousands of years. It is a game of skill and strategy that is enjoyed by people all over the world. Historically, it is believed to have originated in Mesopotamia and Egypt, and then spread to other parts of the world, including India and East Asia. Today, it is very popular in the West and is played in social groups in coffee houses and bars.<br/><br/>AI Factory's Backgammon is the best free Backgammon game on Android. It features a strong Backgammon AI with two game engines and seven difficulty levels, including two new stronger levels added in September 2021. It also includes full match play with Doubling Cube and Crawford rule options, four boards and piece sets, single player vs computer or local 2 player, hint and stats, and random dice generator or manual dice input. It is designed for both tablet and phone.<br/><br/>This free version is supported by 3rd party ads, which may use internet connectivity and result in subsequent data charges. The photos/media/files permission is required to allow the game to save game data to external storage and is sometimes used to cache ads. To prove that the game doesn't cheat, players can refer to the "CPU Strategy" page and use the manual dice option with real-world dice. <br/><br/>Overall, AI Factory's Backgammon is a great option for anyone looking to play Backgammon on their Android device. With its strong AI, multiple difficulty levels, and various features, it provides a fun and challenging gaming experience.