Based on the users' reviews of the Match Jewel Star Mania Match 3 Gem Quest app, here are three cons and pros in English, with 15 words limited for each item: **Cons:** 1. Some users found the game repetitive and lacking in new challenges, saying "getting bored after playing for a while". 2. Others encountered issues with the game's connection to Facebook, leading to "can't connect" errors and frustration. 3. A few users felt the app was too addictive, saying "can't put it down" and leading to overuse. **Pros:** 1. Many users praised the game's engaging gameplay, saying "addictive and fun" and "can't stop playing". 2. Users appreciated the variety of levels, with some saying "new levels and challenges keep it interesting". 3. Some users enjoyed the social aspect, saying "competing with friends and joining tournaments is really fun".