shopping cart android

Would like to develop native (not webapp) Android (tablet, mobiled) applications using open source shopping cart (by webservice). Application should allow customers to be able to view products, details, more pictures, log in, perfil user, adresses, orders from users... and add item to their shopping cart, There is one comunication via webservice from orders, login... Also will need it to be able to check out securely through CC, Visa and other payment. Webservice is already programmed. Must be Multilingual, (en, de, fr, es,..) The applications must be native for mobile and tablet. The code of both applications must be commented correctly. Please send your proposal and portfolio with similar project. Your responsibilities: - Produce a solid, detailed technical design - Write clean, modular, robust code to implement the desired requirements - Contribute ideas for making the application(s) better and easier to use Your qualifications: - Programming languages: Android - A work style that is extremely detail oriented - A complete Freelancer profile - References or an established Freelancer reputation preferred.