GrapheneOS already does that, and provides code and documentation for anyone who wants to use attestation and support GrahpeneOS but with Google being the OS an

GrapheneOS already does that, and provides code and documentation for anyone who wants to use attestation and support GrahpeneOS but with Google being the OS and SDK vendor, app developers usually take the path of least resistance. One might describe that situation as Google using market power to exclude competitors, which is illegal. https://grapheneos.org/articles/attestation-compatibility-guide https://grapheneos.org/articles/attestation-compatibility-gu...