To use the app for mobile payments, you will need a smartphone or tablet with an internet connection (via 3G, 4G or Wi-Fi) and a camera. The app is available on the iOS and Android operating systems.
Exception: an Internet connection is not needed if you want to use the app for contactless payments. However, you do need a smartphone or tablet with an NFC chip. The contactless payments function is available for the Android operating system (version 5 or later).