You give your phone to someone, then he just opens the app and sends the QR code screenshot to himself. He has the codes forever. Without it, he has 30 seconds

You give your phone to someone, then he just opens the app and sends the QR code screenshot to himself. He has the codes forever. Without it, he has 30 seconds to login and put the code by just opening the app and looking at the code. Not much of a feature, but might help some users