Based on the user reviews, here are three cons and pros of the app "fnf sky train surfers": **Cons:** 1. "Frustrating ads keep popping up, disrupting gameplay and flow." (15 words) 2. "Lack of variety in levels and game modes gets boring quickly." (15 words) 3. "Crashes and glitches occur frequently, affecting overall user experience." (15 words) **Pros:** 1. "Fun and addictive gameplay with smooth controls and responsive mechanics." (15 words) 2. "Love the unique sky train surfing concept, it's a fresh take on FNF." (15 words) 3. "Constant updates with new levels and events keep the game exciting and fresh." (15 words) Note: The user reviews are subject to change over time, and this conclusion is based on the available reviews at the time of my knowledge cutoff.