Based on the users' reviews, here are three pros and three cons of the Yumi Puzzle app: **Pros:** 1. Engaging gameplay: Users praise the app's addictive and challenging puzzles that keep them engaged for hours. 2. Intuitive design: Reviewers appreciate the app's user-friendly interface and easy controls that make playing puzzle games a breeze. 3. Varied levels: Users enjoy the app's diverse levels, including different shapes, sizes, and difficulty levels, keeping the game fresh and exciting. **Cons:** 1. Advertisements: Many users complain about the app's frequent and intrusive ads that disrupt their gaming experience. 2. Limited battery life: Reviewers note that the app's graphics and animations consume significant battery power, resulting in rapid battery drain. 3. No undo feature: Users are frustrated with the lack of an undo feature, making it difficult to correct mistakes and losing progress. Please note that the information is based on the reviews available on the Google Play Store at the time of my knowledge cutoff.