Rate My App feature prompts to user for reviewing your app. For using this feature, you need to enable it in Utility Settings and fill in the properties as per your requirement.
Based on the settings, it shows up the rate dialog.
Once user wants to rate, it takes to the store URL (AppStore on iOS and Google Play Store on Android).
Make sure you set the details of your appstore page in the Application Settings (Check Configuration Plugin section for details).
If you want to show the Rate Dialog at any time manually, you can call :
Setting Application badge is possible only for iOS at the moment. Android support is coming soon.
You can set by :