Pay securely with an Android smartphone, completely without Google services: This is the plan being developed by the newly founded industry consortium led by the German Volla Systeme GmbH. It is an open-source alternative to Google Play Integrity. This proprietary interface decides on Android smartphones with Google Play services whether banking, government, or wallet apps are allowed to run on a smartphone.
Its the standard android attestation api, not Graphenes own
Ah, true - but each application (ie: your banking app) would need to be updated to recognize graphene’s attestation keys.