Based on the users' reviews of The Ballz app, here are three cons and pros: **Cons:** 1. "Disappointing physics engine with unrealistic animations, taking away from the exciting experience." (15 words) 2. "Difficulty in getting rewards and leveling up, frustrating and slow progress." (15 words) 3. "Too many ads and intrusive requests for permissions, intrusive and annoying." (15 words) **Pros:** 1. "Unique gameplay mechanics and addictive, great option for casual puzzle lovers." (15 words) 2. "Simple yet challenging levels, suitable for players of all ages and skill levels." (15 words) 3. "Colorful and catchy graphics, pleasant visual experience and soundtrack." (15 words) Please note that these conclusions are based on the available user reviews at the time and may change as more reviews are added.