If you want a more efficient way to automate these shortcuts, consider investing in a set of DIMPLE Smart Buttons. These physical buttons stick to your smartphone's rear near the NFC chip. They activate a custom NFC .Contactless payment systems are credit cards and debit cards, key fobs, smart cards, or other devices, including smartphones and other mobile devices, that use radio-frequency identification (RFID) or near-field communication (NFC) for making secure payments. The embedded integrated circuit chip and . See more