That mentions app stores, but I can't see anything about device-level age-verification there. Also, does Ofcom have the power under the Online Safety Act to ma

That mentions app stores, but I can't see anything about device-level age-verification there. Also, does Ofcom have the power under the Online Safety Act to mandate app-store verification (or device-level verification, for that matter)? Or would it require secondary, or even primary, legislation?