Looking for logging into the Android Google Plus Birthday 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 Android Google Plus Birthday site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/43234762/get-users-birthdate-gender-using-google-sign-in-android
https://developers.google.com/identity/sign-in/android/people
https://developers.google.com/+/web/api/rest/oauth
https://github.com/hwi/HWIOAuthBundle/issues/574
https://demonuts.com/google-plus-sign-inintegration/
https://support.google.com/plus/answer/1350405?hl=de
https://support.google.com/accounts/answer/27442?co=GENIE.Platform%3DAndroid&hl=en
https://code.i-harness.com/en/q/20528c2
https://www.theinquirer.net/inquirer/feature/3063619/google-updates-birthday-special-10-of-our-favourite-retired-google-products
https://ionicthemes.com/tutorials/about/ionic-google-login
https://plus.google.com/up/
https://www.javacodegeeks.com/2013/10/google-account-integration-in-android-login-with-gmail.html
http://androidsrc.net/integrating-google-plus-sign-in-into-your-android-application/