Based on the user reviews, here are three cons and three pros for the "Friday Night Funkin'" app: **Cons:** 1. "Some levels are impossible to win without 100% accuracy, frustrating experience." 2. "Lack of challenge variety and too many repetitive levels, gets boring quickly." 3. "Constant crashes and freezing issues, need to restart the game often." **Pros:** 1. "Highly addictive, wonderful music, and great gameplay mechanics, a blast to play." 2. "Constantly updated with new content, keeping the game fresh and exciting." 3. "GreatFor newcomers, extensive tutorials and practice modes help you improve quickly." Note: The length of each item, including pros and cons, is limited to 15 words or less as requested.