1. Create a Android app using the Android SDK from
http://developer.android.com/sdk/index.html[
^]
2. This android app should use GPRS/2G/3G connection to communicate to the database on your server.
3. Create a webservice on your server using asp.net or java that will provide real time feed to your android application.
Your first C# Web Service[
^]
4. The website you are saying is not really required for this functionality. However, the web service needs to be hosted so that it can be accessible over HTTP.