The Bio-Metric Time Clock features a 4.3" color touchscreen display, 3G cellular capabilities, silicon fingerprint sensor, accelerometer, and GPS.  This project has a custom PCB to provide the functionality needed for the features of this device with expansion ports for additional components in the future such as Ethernet, WIFI, Retinal-Scanner modules etc.  The firmware is custom and uses FreeRTOS as the operating system.  The case is a custom design printed on a UPrint 3D printer.