Based on the users' reviews, here are three cons and three pros for the app "Full of Sparks": **Cons:** 1. Inconsistent performance: Some users experienced laggy loading times and crashes. 2. Limited customization options: Users expressed disappointment with the lack of customization options for levels and gameplay. 3. Short gameplay: Users felt that the levels were too short, making the game feel unfinished. **Pros:** 1. Challenging puzzles: Reviewers praised the game's challenging and thought-provoking puzzles, keeping them engaged. 2. Beautiful graphics: Users appreciated the game's vibrant and visually stunning graphics, making it a pleasure to play. 3. Simple yet addictive gameplay: Players enjoyed the easy-to-learn yet addictive gameplay, making it hard to put the app down. Please note that these conclusions are based on a general analysis of the users' reviews and may not reflect the specific experiences of all users.