The application is providing you with the possible errors and the solutions to fix them easily such as update play services, clearing app and Google Services Framework cache etc.
Check out the date of release and also will let you know when you should update play services if you have a very old and outdated version of Google Play Services installed.
It also helps users to uninstall updates of play services. Google Play Services keeps your apps updated and running smoothly on your Android device. Download & install it now.
Google Play Services is a service and API package for Android devices from Google. You can check out and find the complete overview of Google Play Service in our application.
Yes, that error is covered as a separate, related case in the app.