Based on the users' reviews of the "Byen" app, here are three cons and pros in English, limited to 15 words each: **Cons:** 1. "Crashes frequently and slow loading issues are frustrating." 2. "In-app purchases are unnecessary and affect gameplay experience." 3. "Limited game modes and too much repetition in gameplay." **Pros:** 1. "Addictive puzzle games with increasing difficulty levels, fun!" 2. "Beautiful graphics and sound effects, visually appealing." 3. "Social features encourage competition and friendly chat." Please note that the conclusions are based on the available user reviews and may not be a comprehensive representation of all opinions.