Based on the users' reviews of the Tic-Tac-Toe X2 app, here are the conclusion: **Cons:** 1. Limited opponents to play against: Some users complain about the lack of AI opponents to play against, making the game unengaging. 2. No online multiplayer: Users wish for the ability to play against friends or other players online, which is a major missing feature. 3. Graphics and sound effects underwhelming: Some users find the graphics and sound effects to be unimpressive and lacking in detail. **Pros:** 1. Simple and easy to learn: Users praise the app's simplicity, making it easy to learn and play even for young children. 2. Fun and addictive: Many users find the game enjoyable and addictive, with some reporting they play for hours on end. 3. Versatile gameplay options: The app offers several game modes, including single-player, multi-player (although limited), and varied game lengths, catering to different playing styles.