This application is intended for private distribution using a private link and only for use by Avolta conference attendees. The application allows for coffee "Purchases" and promotional gifts at internal conferences by the Avolta company. Payments and rewards are made using a passive NFC tag and the application's NFC reader. The app tracks the purchases and rewards users for their activities at the conference. The app also provides several marketing screens that preview future functionality that may launched in the future public application based on feedback from conference users.