You're Covid QR vaccination cert on a widget.
Please follow the payment instructions in the app to unlock Covid QR.
Once the widget is unlocked, you will see a white screen with a six-digit code. This code allows my server to recognise your device in order to post the QR image to it.
If you visit https://www.gdcsoft.com/covid/upload you can enter this six-digit code and upload either a PDF or an image file containing your EU digital COVID vaccination QR Code. From this point on, the code will show when the widget is opened.