Android marketplace app

Background For bid is Project X, which is a mobile used car marketplace that allows users to sell their car as well as browse cars online. For architecture, we are open to suggestions, but the mobile app should be very responsive i.e. some caching should be done locally on the mobile device. Compatibility The App has to be compatible with Android (Jelly Bean) and above. The App should be usable across majority of tablets and mobile devices. Sections Browse Cars • Search • Filter/Sort Detail View • Call Now Favorite Cars (login required) Sell Cars (login required) • Upload Pictures • Create Car Ad • Remove Car ad Car Discussion Board • View Discussion • Post comments (login required) Profile Login/ Signup Information Popup An iOS version has already been completed. Looking for someone to pretty much clone to the Android version. Milestones: Downpayment - 20% Milestone 1 - Browse Cars, Favourite Cars, Login, Signup 40% Milestone 2 - Profile, Sell, 60% Milestone 3 - Discussion Board, 80% Milestone 4 - UAT 100% If you can do faster than this, that would be best. Other features - Some animation from screen to screen may be required - Data synchronization – caching and more - Optimized file size for APK build External APIs and 3rd party software - Car Data APIs - SMS APIs - Push Notification API - Analytics SDK - Image APIs (for uploading pictures) Please drop me a chat request for [login to view URL] screenshots. Please include your final bid (i do not want to negotiate bids), I will have the app specifications sent if you are short listed. But please try to be as close to your bid as possible. Please give also, your best indication of timeline. Backend will be through [login to view URL], experience in this will be a plus. Also, this is a long term project build into 'phases'. The next phase will be social integration of facebook connect I am looking for someone who can complete this app within 2 weeks. Ready to accept the challenge?