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Versatile -- Play offline vs. computer or against a friend in 2-player mode. Customizable -- More options than any other backgammon app. Play & learn backgammon at skill levels ranging from beginner to world-class! This app is designed for both Android phones & tablets. Backgammon NJ for Android is a full-featured game which uses an advanced, neural network-based, artificial intelligence. Play against a computer AI or against another person in 2-player mode on one device. Using Tutor Mode & Hints, Backgammon NJ for Android can show you how to improve your game! Discriminating players will appreciate how well the AI plays. It uses a neural network trained on millions of positions, a bearoff database, & a match equity table to achieve strong gameplay that will challenge even expert players. IS THIS GAME RIGHT FOR YOU? This game is best for people: Who recognize the strength of neural network backgammon bots, Who want to improve their game by playing against a world-class level AI, Who are willing to use in-depth, technical features included in the game to prove that it is honest (https://www.njsoftware.com/note.html), Who won't expect to win consistently on the higher skill levels. FEATURES: Neural network-based AI, 2 game types: Standard or Nackgammon, 4 skill levels: Easy, Medium, Hard, Expert, Mersenne Twister algorithm for random number generation, Doubling cube, Single games or match play up to 25 pts, Crawford rule for match play, 1-player mode vs. computer, 2-player mode on one device, User-friendly, tap-to-move interface, Highlighted checker movement options, Hint & Undo, Learn with Status Meter & Tutor Mode, Game & dice stats, including Elo rating & ER, Match info: GnuBG ID, win chances, equity, top 10 moves, & cube decisions, Email match files, Practice mode with unlimited undo (1-player vs. computer), Manual match recording mode with unlimited undo & speed mode option, Options to reverse board direction, resign, use one-tap moves, auto bearoff, auto finish, use Jacoby rule, & much more, Match analysis (in-app purchase): Analyze past match files, view moves & errors for match, step through match, jump to position, play from position, save match files permanently. IMPORTANT: If you're having issues: Make sure a task killer isn't killing BGNJ processes. Run BGNJ from main memory, not from memory card. We can't respond to crash reports submitted through Android OS. Contact us directly: https://contact.njsoftware.com