Based on the user reviews of the UFO Endless Flyer app, here are three cons and three pros in 15 words or less per item: **Cons:** 1. "Too many ads pop up, ruining the gameplay experience and causing frustration." 2. "Control can be unresponsive at times, making it hard to navigate the UFO." 3. "The game can get repetitive and boring after playing for extended periods." **Pros:** 1. "Simple yet addictive gameplay mechanic makes it hard to put the app down." 2. "Graphics are colorful and visually appealing, creating a fun and immersive atmosphere." 3. "The app is free to download and play, with no in-app purchases required." Please note that the reviews are subject to change, and this conclusion is based on the analysis of the reviews at the time of my knowledge cutoff.