Based on the user reviews, here are three cons and three pros of the app: **Cons:** 1. **Too short and easy**: Many users found the levels were too short and easy, lacking challenge and satisfaction. 2. **Lack of variety** : Some reviewers felt the game was repetitive, with too many similar levels and limited puzzle types. 3. **Bugs and crashes**: A few users experienced technical issues, such as app crashes and glitchy gameplay. **Pros:** 1. **Engaging and addictive**: Many users found the game highly engaging and addictive, with a simple yet enjoyable gameplay mechanism. 2. **Beautiful graphics and music**: Reviewers praised the app's visually appealing graphics and soothing background music, creating a pleasant atmosphere. 3. **Impressive level design**: A few users commended the clever and creative level design, which kept them coming back for more.