Based on the reviews from the App Store, here are three cons and pros for the Block Puzzle Classic 3D app: **Cons:** 1. "Too many ads... frustrating and annoying" - many users find the ads intrusive and distracting. 2. "Not challenging enough... too easy and repetitive" - some users feel the game is too simple and lacks variety. 3. "Glitches and crashes... frustrating experience" - a few users have reported technical issues with the app. **Pros:** 1. "Beautiful 3D graphics... visually stunning" - many users praise the app's visually appealing graphics. 2. "Easy to learn... perfect for casual players" - users find the game easy to pick up and enjoy as a quick distraction. 3. "Holds my attention... great for puzzle fans" - fans of puzzles enjoy the app's engaging and addictive gameplay. Please note that these conclusions are based on a snapshot of the reviews and may not reflect the full range of opinions on the app.