Based on the users' reviews, here are three cons and three pros of the app: **Cons:** 1. **Frustrating puzzles with unclear goals**: Some users found the puzzles too challenging with unclear objectives, leading to frustration. 2. **Advertisements disrupt gameplay experience**: Many users complained about the frequent and intrusive ads that interrupted their gameplay. 3. **Lack of tutorial or guidance**: Some users felt that the app lacked a comprehensive tutorial or guidance, making it difficult to understand the gameplay mechanics. **Pros:** 1. **Addictive and engaging puzzle gameplay**: Users praised the app's puzzle mechanics, saying it was addictive and kept them engaged for hours. 2. **Challenging but rewarding progress**: Many users appreciated the sense of accomplishment they felt when completing challenging puzzles. 3. **Simple yet visually appealing design**: Users praised the app's clean and minimalist design, saying it was easy on the eyes and enjoyable to play. Note: The limitations are based on the 15-word limit for each item as requested.