Pretty trivial, I built a browser scanner for my phone using a QR scanner library[1], while browsers are contemplating adding an API natively.[2] You would just need to use a lookup service for the UPN of the game title.

[1]: https://github.com/mebjas/html5-qrcode [2]: https://developer.mozilla.org/en-US/docs/Web/API/Barcode_Det...