Based on the users' reviews of the Jewelry King app, here are three cons and pros: **Cons:** 1. "Glitches and errors make the app frustrating to use, disappointing experience." (15 words) 2. "Limited game modes and levels feel like you're stuck in a rut." (15 words) 3. "Advertisements are overwhelming and disrupt the gameplay experience." (15 words) **Pros:** 1. "Addictive gameplay keeps you engaged, fun to play and relax." (15 words) 2. "Variety of jewelry pieces to collect and customize is satisfying." (15 words) 3. "Competitive leaderboards motivate you to improve and beat friends." (15 words)