2024-01-02 00:00:00 The OasisScan-QR app enables a simplified comparison with the Oasis lock file, which will be mandatory wherever gambling is carried out from July 1st, 2021. All you have to do is have your personalized QR code created by an OasisScan location (restaurants, arcades, betting shops) and read it into this app. Your personalized QR code remains stored on your device and you can show it at any time to be compared with the Oasis lock file.