Parents can revoke app approval for supervised users on Android devices using the Google Family Link app. If app approval is revoked for a supervised user, then that user will no longer be able to use your app. Google Play will notify you about the revocation.
Before revocation
Google Play will include an installID in the Play Age Signals API (beta)
response per user per device. You can store this installID on your app's
backend server in anticipation of being notified about revoked app approvals.
After revocation
Google Play provides details about revoked app approvals by listing the
installID for that user on the Revoked app approvals tab on the
Age signals page in the Google Play Console. Here, you can download a
CSV file with a list of the revoked app approvals. Revoked installID
values are listed for 90 days before being deleted.
Repeat approvals and revocations
If a parent re-approves the same app for a user and the device has not been
reset, the same installID is returned in the Play Age Signals API response
for the re-approved app.
If the app approval is revoked again, the same installID appears
as a new entry in the table on the Revoked app approvals tab
on the Age signals page. That means a single installID can appear
multiple times in the revoked app approvals table, once for each revocation.