Based on the user reviews, here are three cons and three pros, with 15 words or less for each: **Cons:** 1. Many users found the levels to be too short and unchallenging. 2. Some users experienced glitches and technical issues during gameplay. 3. Others felt that the app lacks diversity in level design and artwork. **Pros:** 1. Users praised the app's innovative and unique 3D drawing mechanics. 2. The game's simple yet addictive gameplay made it easy to pick up and play. 3. Many users enjoyed the relaxing and calming atmosphere the app provides.