Based on the users' reviews of the Tanghulu DIY app, here are three cons and pros in English, limited to 15 words each: **Cons:** 1. Some users found the app's user interface cluttered and hard to navigate, causing frustration. 2. A few users experienced difficulties installing the app due to compatibility issues with their devices. 3. Some reviewers felt the app's instructions were unclear, leading to errors in the tanghulu-making process. **Pros:** 1. Users praised the app's detailed instructions and step-by-step guides, making it easy to learn tanghulu-making. 2. Many reviewers appreciated the app's variety of recipes and flavor combinations, offering endless possibilities. 3. Users enjoyed the app's interactive design and video tutorials, which helped them visualize the tanghulu-making process.