Based on the user reviews, here are three cons and pros for the Glue Art app: **Cons:** 1. "Lack of undo feature is frustrating, often delete mistakes accidentally." (15 words) 2. "Occasional crashes and glitches cause loss of progress, disappointing experience." (15 words) 3. " Limited customization options are disappointing, wish for more colors and textures." (15 words) **Pros:** 1. "Unique blend of digital and physical art is fascinating, love the tactile experience." (15 words) 2. "Elegant design and user-friendly interface make it easy to create and share art." (15 words) 3. "Innovative technology recognizes and responds to users' gestures, impressive and fun." (15 words) Please note that these conclusions are based on the user reviews available at the time of my knowledge cutoff, and new reviews may have been added since then.