Based on the users' reviews of the Jewels Classic Star app, here are three cons and pros in English, limited to 15 words each: **Cons:** 1. Some users found the game too easy and lacking in challenge at higher levels. 2. Others experienced technical issues, such as crashes and gameplay glitches. 3. A few users felt that the game was too repetitive and got boring quickly. **Pros:** 1. Many users praised the game's addictive nature, enjoying the puzzle-solving fun. 2. Players appreciated the game's relaxing atmosphere and calming music. 3. Several users liked the variety of jewels and levels, providing a sense of accomplishment.