Based on the users' reviews of the City Jigsaw Puzzle Games for Adults Free HD app, here are three cons and three pros in English, with 15 words limited for each item: **Cons:** 1. Some puzzles have too many similarly-shaped pieces, making it hard to find the right fit. 2. The app sometimes crashes or freezes, causing frustration and lost progress. 3. Limited number of puzzle scenes and formats, leading to repetition and monotony. **Pros:** 1. Challenging yet solvable puzzles that provide a sense of accomplishment upon completion. 2. High-definition graphics and sound effects create an immersive and engaging experience. 3. Available in various difficulty levels, making it accessible to both beginners and experts.