Based on the users' reviews of the "Mermaid Princess Jigsaw Puzzles" app, here are three cons and pros in English, with 15 words limited for each item: **Cons:** 1. Some puzzles have too many similarly-shaped pieces, making it hard to distinguish. 2. The app can be slow to load and may crash occasionally. 3. Limited options for puzzle sizes and difficulty levels, making it too repetitive. **Pros:** 1. Beautiful, colorful illustrations and animations to engage young children. 2. Puzzles are cleverly designed to gradually increase difficulty, promoting learning. 3. Supports child's cognitive development and problem-solving skills in a fun way. (Note: These summaries are based on the reviews on the App Store page, if you'd like me to summarize other aspects, feel free to let me know!)