I'm building a point/credit/voucher tracking tool for QR code member cards. https://workspace.google.com/marketplace/app/qr_code_loyalty_cards_for_vouchers/843

I'm building a point/credit/voucher tracking tool for QR code member cards. https://workspace.google.com/marketplace/app/qr_code_loyalty_cards_for_vouchers/843219432713 https://workspace.google.com/marketplace/app/qr_code_loyalty... You create a new member by filling a Google Form (they receive a digital member card with a QR code by email), and add or subtract points by scanning the QR code.