457098 Create Smart Phone app for Club listing site buil in zencart

I need a smartphone application that allows to search the database for clubs near by (based on GPS) or from set location. then send the data to smartphone native mapping ap for directions. App should support advertising and membership Should Run on iPhone to start then android, Blackberry and WP7 I have a website that has a database of night clubs in various cities. The site is created on zencart with the data in a mysql database on godaddy servers.