Based on the users' reviews of the "Modern FPS 3D Shooting Squad" app, here are three cons and three pros in English, with 15 words limited for each item: **Cons:** 1. In-app purchases and ads can be overwhelming and frustrating for some users. 2. The app's physics engine can sometimes feel unbalanced and lead to unrealistic gameplay. 3. Some users experience lag and poor performance on older devices. **Pros:** 1. The app's graphics and sound effects are highly praised for their realism and immersion. 2. The variety of weapons and customization options provides a fun and engaging experience. 3. The app's community is active and supportive, with regular updates and new content added.