How to scan my QR code

 from iPhone, iPad, or iPod touch:

1. Open the Camera app from the Home screen, Control Center, or Lock screen.
2. Select the rear facing camera. Hold your device so that the QR code appears in the viewfinder in the Camera app. Your device recognizes the QR code and shows a notification.
3. Tap the notification to open the link associated with the QR code.

from Android phones:

1. Go to Camera Settings
2. Toggle the feature “Scan QR Codes”