Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
This apps only purpose is to open the built in Android's Settings. It has been created as some Vendors have hidden or removed the link to open Android's settings. If you have the 'Settings' app listed in your app drawer then this app has no purpose for you. In some cases this app may not work for you at all.