To sign in to the TalentCards app for the first time with the QR code, open your TalentCards app, and tap the QR code icon (1).
Use your mobile device to scan the QR code you have received.
Note: See here how to invite users via email.
If you are already logged in to the app and you wish to log in to another group, tap the downward arrow to expand your current group (2) and then the plus (+) icon (3).
Tap the QR code icon (4), and use your mobile device to scan the QR code you have received.