Revamp existing native mobile apps in Xamarin. Currently we have native mobile apps in iPhone, iPad, Android smart phone/tables, and Windows phone.
1. Put all the backend logics in a Portalbe Common Class (PCL) that handles web services communication with the server.
2. Use [url removed, login to view] for front end UI. Must present 3 mockups for review/approvals.
The final product must work with the latest OS in iPhone, iPad, Android and Windows Phone platforms.