hmm if you log in with a different account in the secure folder it should then be separate from the regualar app. What I mean by this is if you want your Google photos secure from the rest of your phone, then you should create a new Google acorn to store those pictures in. That account can only then be accessed from the secure folder. Even if you uninstall the app outside the folder, it should still stay in the secure folder. Atleast thats been my experience with it
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