Android Chat application

We Required Ready to use chat application with given functionality 1. One to one Chat 2. Group Chat 3. share Image, Video, Pdf, Location and other files 4. chat with contact 5. Other basic features of chatting app We don't require Audio or video call (If extra functionality are there we have no problem) Please don't share any app of which source code you can't share. If anyone has this type of application, can share apk. We will pay for application (Source code). WE DON'T WANT TO WASTE TIME ON DEVELOPMENT. Only those people can bid who has the application to share with source code. All the Payment will be made today after testing application (apk) and source code.