Based on the reviews of the Ball Dropper 3D app, here are three cons and pros in English, within the 15-word limit: **Cons:** 1. Some users find the game too repetitive and lacking in variety in gameplay mechanics. 2. A few reviewers experience lagging or freezing issues, affecting their overall experience. 3. Some users feel that the game's graphics and sound effects are not as impressive as expected. **Pros:** 1. Many users praise the game's addictive and engaging gameplay, with challenging levels to master. 2. The 3D graphics and sound effects are considered impressive, immersing players in the game world. 3. Reviewers appreciate the app's simplicity and ease of use, accessible to players of all ages.