classifieds ads mobile app

Hi, In short we need a mobile classifieds ads app to post on mobile markets which do the following in simple: - users can post classifieds free and a section for payed clients which can have a store like section which chosen package to how many ads/products he can post. - we can control ads on top/bottom/chosen sections of the app - categories for each section like: cars/electronics/mobiles/boats...etc - fully arabic - users can pay through creditcards/paypal for some services in app "if possible" or will be redirected to a website for the chosen service "allowed for some clients" - will be hosted in our server - should be simple and nice looking app - full source code - long term business for updates/upgrades thats in short, and we need some examples Regards