How to make payment via "QR Code Pay"?

Instructions of paying with TNG:

1) Tap the "Pay" icon at the bottom left corner
2) Select "QR Code Pay"
3) Enter your Transaction PIN or use Touch ID if you have not set up the Fast Payment function
4) Present your QR code for scanning (you may also use this QR code for cash withdrawal at convenience store if you are VIP / SVIP member)

A confirmation screen will appear along with the amount paid and reference number.