Based on the user reviews, here are three cons and pros for the app "Merge Survival" in 15 words or less: **Cons:** 1. "Too many ads" - Advertisements can be frustrating and intrusive, disrupting gameplay. 2. " Limited options for customization" - Users feel that character designs and building options are limited. 3. "Glitches and bugs" - Frequent issues with game freezes, errors, and inconsistent gameplay mechanics. **Pros:** 1. "Addictive gameplay" - Users praise the app's ability to keep them engaged and entertained. 2. "Colorful and visually appealing" - The game's graphics and animations are praised for their vibrancy and appeal. 3. "Simple yet challenging" - Users appreciate the app's balance of easy-to-learn gameplay and increasing difficulty. Note: Keep in mind that opinions and experiences may vary greatly among users, and this conclusion is based on a general analysis of the reviews.