Based on the user reviews of the "Reversible Zero" app, here are three cons and pros in English, with 15 words limited for each item: **Cons:** 1. Decent app but lacks animations and customization options, feels plain visually. 2. User interface is cluttered and takes time to get accustomed to, navigation is imperfect. 3. Glitches and occasional crashes occur, especially during game saves and loading. **Pros:** 1. Easy to learn and play, perfect for casual puzzle enthusiasts with a challenge level. 2. Satisfaction of solving puzzles and feeling of accomplishment is high, keeps me hooked. 3. Simple yet engaging storyline and characters, providing a change of pace from other games. Please note that the opinions expressed in this summary are based on the general consensus of user reviews and may not reflect individual experiences or opinions.