How to save the uart app on my nrf51dk board?

[iqra]

How to save the uart app on my nrf51dk board? it only runs when i connect it with the usb. another question nrf51dk have a nrf51822 chip(SoC)?

please help me out. i want to make android app.

[iqra]

thanks alot :) actually i m new.. n i want to make a android app to communicate with the nrf51dk. & also calculate the distance b/w the android phone and chip.. if you have knowledge about it so plz help me . thanks