“Give, and it will be given to you. A good measure, pressed down, shaken together and running over, will be poured into your lap. For with the measure you use, it will be measured to you.”
Screenshot the QR code and save to your gallery/photo library or press & hold on the QR Code and select “Save Image”/”Download Image”.
At the bottom if the app page, tap on the “Photo Library” / ”Gallery”.
Select the QR code that was saved/screenshot from Step 1.
Input the payment amount and confirm the payment.