Based on the users' reviews of the Long Nail Stack Art Runner app, here are three pros and cons: **Pros:** 1. Easy to use with a user-friendly interface, allowing for quick and seamless art creation. (15 words) 2. Offers a wide range of customization options, enabling users to express their creativity freely. (15 words) 3. Great tool for nail art enthusiasts and beginners alike, providing a fun and interactive experience. (15 words) **Cons:** 1. Occasional crashes and glitches, frustrating users and disrupting their creative flow. (15 words) 2. Limited brush options and colors, restricting users' creative potential and options. (15 words) 3. No support for undoing mistakes, making it difficult to correct errors and improve designs. (15 words) Note: The number of words for each item is limited to 15, as per your request.