Your android app users will rate and review your app in google play, high rating and reviews ensures top position in the future user search result. To check your playstore review and ratings, follow the steps:
Go to your search bar, open https://play.google.com/apps/publish
Log in to the site using your user name and password.
Note: If the default mail id used in your system is different from your log in id, then please log out from your other google accounts, before logging in
Search for your APK
Click on Avg. rating/Total
Check your ratings and reviews