This is why using the blockchain got user data is such a stupid idea. The immutability makes it impossible to redact or remove information, even if that information is encrypted. The same is true foor P2P services where there is no central accounting system.
Deleting the account shouldn't be a problem if all the "account" info is stored on the device itself, so if your reviewers aren't completely incompetent I don't see why this would be a problem.
Deleting the account shouldn't be a problem if all the "account" info is stored on the device itself, so if your reviewers aren't completely incompetent I don't see why this would be a problem.