Based on the users' reviews, here are three cons and pros for the app "Number Block Puzzle": **Cons:** 1. Some users found the gameplay mechanic repetitive, leading to boredom. "The game gets old after a while, and it's hard to keep interest." 2. Others experienced frustrating ads and prompts to watch videos. "Too many ads, it's really annoying and disrupts gameplay." 3. A few users reported issues with the app's performance, leading to crashes. "Frequent crashes, it's really annoying and ruins the experience." **Pros:** 1. Many users praised the app's addictive gameplay and challenging levels. "Really addictive, keeps me coming back for more!" 2. Some reviewers appreciated the app's simplicity and easy-to-understand mechanics. "Simple yet challenging, great for all ages!" 3. Several users enjoyed the app's relaxing and calming atmosphere. "Relaxing and calming, perfect for unwinding!" Please note that these are condensed summaries based on the users' reviews, and may not reflect the full range of opinions or experiences with the app.