Looking for logging into the Google Sign In Sample site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Google Sign In Sample site. After that you can login as usual with your login credentials.
https://developers.google.com/identity/sign-in/android/start
https://developers.google.com/identity/sign-in/android/sign-in
https://developers.google.com/identity/sign-in/web/sign-in
https://github.com/googlesamples/google-services/tree/master/android/signin
https://github.com/googlesamples/google-signin-unity
https://androidclarified.com/google-signin-android-example/
https://developer.xamarin.com/samples/monodroid/google-services/SigninQuickstart/
https://firebase.google.com/docs/auth/android/google-signin
https://medium.com/@thomashellstrom/use-google-as-login-in-your-web-app-with-oauth2-352f6c7f10e6
https://codelabs.developers.google.com/codelabs/sign-in/index.html?index=..%2F..index
https://developer.android.com/training/sign-in/
https://pub.dartlang.org/packages/google_sign_in
https://stackoverflow.com/questions/54562071/android-tv-google-sign-in-sample-app-not-working-on-android-tv-but-works-in-mo