Aplication iphone/ Blackberry

I want to develop chat room application such as what’s app and live profile. Which allows the user to join and create groups and invite their contacts on facebook, linkedin and twitter. This app will be presented in a professional way. people in the chat room will be random and will be networking with eachother.

. User can any enter any chat room
. User can create a chat room/ and promote through linkedin twitter, facebook
. People can talk in real time/
. Users can have private messages.
. Users can view each others profiles