Why in the hell would Google Authenticator need access to my camera?
I commonly add new totps by scanning a QR code.
It can also export all your current ones as a QR code which you can scan from your new device. (After which both devices will show a message for a couple of days that codes have been exported.)
Merveilles is a community project aimed at the establishment of new ways of speaking, seeing and organizing information — A culture that seeks augmentation through the arts of engineering and design. A warm welcome to any like-minded people who feel these ideals resonate with them.