Using Monero on a device with a spyware operating system defeats the point. Let’s learn the basics of rejecting Google’s surveillance and some different alternative Android operating systems: https://video.simplifiedprivacy.com/what-is-a-degoogled-phone/
Sadly GrapheneOS not having NFC pay options like Google Pay or Apple Pay is a big turn off for me :(
You can add google push in a sandbox and get NFC