Automatic SMS Verification with the SMS Retriever API [ https://developers.google.com/identity/sms-retriever/overview ]
One-tap SMS verification with the SMS User Consent API [ https://developers.google.com/identity/sms-retriever/user-consent/overview ]
Automatic SMS Verification with SMS User Consent [ https://medium.com/androiddevelopers/automatic-sms-verification-with-sms-user-consent-da8c16135e25 ]