Mobile Credit Card Application

I am looking for Providers who have a solid foundation in J2Me and have worked on mobile apps using J2ME , prefferably BlackBerry. The application will actually reside on a Black Berry phone and send out Credit Card transactions to a clearing house and get responses and parse those responses and send out print commands over blue tooth to a printer/Card Swipe Terminal over Blue Tooth protocol. Sample java code and specs will be provided. Only Bid on this project if you have verifiable experience that you have worked on Mobile apps and on Black Berry. One of the requirements of thisprojct is that? you have to provide? me with breakdowns of the different tasks associated and time lines associated with each tasks.