How Urban Airship does really work. Does it work same as C2DM on backend. what are the requirement for Client that want to use push notification from Urban Airship.
Urban Airship supports two push systems on Android: C2DM and Helium.
Specific documentation is available here: https://docs.urbanairship.com/pages/viewpage.action?pageId=819543
The requirement for your client is to embed the Urban Airship library from our Resources page: http://urbanairship.com/resources/
You embed this library into your app, configure it, sign up on our service, and that's it.