Hello Sir, Madam,
Being a Professional Android Developer i can assure you to provide best chatting app with realtime server of your own.
Features of app will be:
1) Real time chat app
2)User Login
3)Moden User Interface
4)Robust App
5)Multimedia Uploading.
6)Secure
7)Your Own Chat Server
8)Easy Maintainace
I have developer facebook kind of application also and doing more of it,
To be honest the idea of your app is to be embraced and making this app will require time so i would love if you give me opportunely.
More more details you can contact me on ,
+91 8607276848