MDK Utility is a simple app that displays basic status information for the Reference Moto Mod attached to your Moto Z. It can also be used to flash development firmware on your Reference Moto Mod. This app provides an end-to-end 'Hello World' example that shows how to control the LED on the Reference Moto Mod. Source code is made available so you can use this in your own projects. For a detailed walk-through and details for this app, visit http://developer. motorola.com/build/examples/mdk-utility This app requires a Moto Z and Reference Moto Mod. To purchase hardware, visit http://developer. motorola.com/buyNote: This app is for development purposes.