Based on the users' reviews of the "Emoji Master 3D Merge Emoji" app, here are three cons and three pros in English, with 15 words limited for each item: **Cons:** 1. Some users found the game's difficulty levels uneven, with spikes in difficulty frustrating. 2. Few users reported issues with the app's performance, including slow loading times and crashes. 3. A few reviewers mentioned feeling stuck, with insufficient hints or unclear objectives. **Pros:** 1. Users praised the game's engaging 3D emoji graphics and addictive gameplay mechanics. 2. Many reviewers enjoyed the app's relaxed, gentle learning curve and sense of accomplishment. 3. Several users appreciated the app's social features, such as leaderboards and daily rewards. Please note that these are summaries of the reviews, and individual experiences may vary.