This android mobile application allows companies to test digital American Express contactless cards and Consumer Presented QR code with payment terminal software, to assist in the development of such software. This application can be used to test Point of Sale in the test environment only, it will not work for field testing or acceptance. Users of the application may include Merchants, Processors, Acquirers, Point of Sale Vendors, Independent Service Operators, Value Added Resellers & Gateways.