Based on the user reviews, here are three cons and three pros, with 15 words or less for each: **Cons:** 1. Users reported issues with matching games not functioning properly, leading to frustration. 2. Some reviewers found the app's tutorial to be unclear and confusing. 3. A few users complained about the lack of new and interesting levels. **Pros:** 1. Most users praised the app's unique 3D puzzle-solving concept and mechanics. 2. Reviewers enjoyed the sense of accomplishment and satisfaction from completing levels. 3. Many users appreciated the app's ease of use and intuitive controls. Note that these summaries are based on a general analysis of the user reviews and may not reflect the opinions of every individual user.