The Tappy family of high-powered external NFC readers support a wide variety of basic and advanced NFC operations, which, in addition to offering superior performance to most Android devices' onboard NFC, can be leveraged to bring NFC capability to devices that do not have an NFC reader built-in. This app supports connecting to TappyUSB readers via a USB On-The-Go adapter as well as TappyBLE readers using low-energy Bluetooth® wireless technology. It is capable of issuing and understanding a si