On my previous Samsung Note device, I was able to set it so that my secure folder was not opened by the same fingerprints I used to unlock my device. I was able to designate the print of a different finger to only work on the secure folder.
I think this provided a great extra layer of security (albeit a small one) and I'd love to see it come back. Maybe even give us the ability to require several biometric methods (used together) to unlock the secure folder.
No on the older samsung s9 and Note 9 you could literally have a dedicated finger that worked on the lock screen to open your secure folder. It was so convenient because you could switch between your normal phone and secure folder without anyone having any idea about it. And even if someone did know about your secure folder, they wouldn't know which finger you used.
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