Based on the user reviews, here are three cons and pros for the Agar.io app: **Cons:** 1. "izioni keeps kicking me out of the game without a warning, frustrating experience." 15 words. 2. "Difficulty in finding stable matchmaking, often gets matched with lower-level players." 15 words. 3. " App crashes frequently, even with a stable internet connection." 15 words. **Pros:** 1. "Simple yet addictive gameplay keeps me hooked for hours on end." 15 words. 2. "Competitive multiplayer mode makes for thrilling matches with other players." 15 words. 3. "Visually appealing graphics and smooth animations make for an enjoyable experience." 15 words. Please note that these are general summaries based on user reviews and may not reflect your individual experience with the app.