App Redesign

I have app source codes for a quiz app,but need to overhaul the overall design interface and graphics. I need a very experienced developer or a team of developers who can redesign the app graphically and rewrite some codes,as well as adding some new features to the app. The job entails:- 1)Redesign of app icon and Android Market graphic photo(1024 X 500) 2)Splash page animation 3)App settings implementation 4)Themes implementation 5)Facebook friends' scoreboard 6)Main activity redesign(screen flush to right) 7)Social media score sharing(Facebook and Twitter) 8)Screen display compatibility(app should appear same in all devices with different resolutions),target is 2.1 to 4.2.2 The resolution of the overall graphic layout and design of the app has to be exquisite.. Developers with less than 30 completed jobs should not bother to bid. More details after awarding of project!