Based on the user reviews, here are three pros and cons of the Cruel Shark app: **Pros:** 1. "Addictive game play with increasing levels of difficulty keeps me engaged." (15 words) 2. "Simple yet challenging puzzles and smooth gameplay make it a great time-killer." (15 words) 3. "Variety of sharks and power-ups keep the game fresh and exciting to play." (15 words) **Cons:** 1. "In-app purchases for coins and boosts can be frustrating and expensive." (15 words) 2. "Some levels feel too easy or too hard, lacking balance in game difficulty." (15 words) 3. "Technical issues and glitches cause game to crash or freeze occasionally." (15 words) Please note that these conclusions are based on a limited number of user reviews and may not be representative of all users' experiences.