Write an Android application for Chatroom messaging.

Dear Applicant, We are Looking for app developer to make an instant messenger cum chatroom app. The app shall be featuring following functions: 1. Login by username and password / Take up Mobile number as username as in Whatsapp 2. Search and add a contact 3. Start a chat (support richtext chat including text, picture and faces) 4. Create open chatrooms 5. View online friends Supported Platforms 1. iPhone 2. iPad/iPad Mini 3. Android 2.3.3 or above 4. Windows Phone 8 You may specify what platform you can work on if you are unable to provide support for all the above platforms. The suggested signalling protocol is XMPP with Openfire on the server side. You may propose another protocol or server if you have a better solution. The delivered result should contain: 1. Source code with nice layout and enough comments that is easy to maintain 2. A short document to describe your code and the structure 3. Good GUI to ensure proper look and feel. Please PM me with the following information when you bid: 1. A brief introduction about you 2. What platform you can do 3. How much time you need to can complete the job. 5. Possibly show us a similar program you’ve done in the past. Skills required: Android, iPhone, Java, Objective C, Python(as per necessity)