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.

[MartinBL]

I'm afraid I don't have anything more for you than the two links above. There is also a proximity example in the SDKs.