It has been a while since this subject has come up.
If I remember correctly, the PIN prevents apps from being installed from within the Roku's on-screen menu system, but does not prevent one from adding an app via the Channel Store accessed via computer/phone/tablet web browser.
Roku Community Streaming Expert
I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well.
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