Based on the user reviews on the App Store, here are three pros and three cons of the "Mouse Life Simulator 2020" app: Pros: 1. "Easy to play, simple yet addictive gameplay, love the variety of mouse characters". 2. "Impressed with the graphics and realistic mouse sounds effects, so immersive". 3. "Good concept, keeps me engaged, great for short breaks and relaxation". Cons: 1. "Frustratingly hard, some levels feel impossible to complete, lacks help system". 2. "Too many ads, constantly pop-up, really annoy, affect gameplay experience". 3. "Lack of customization options, limited level designs, gets repetitive". Note: The review excerpts are based on a random sampling of reviews and may not represent the full range of opinions.