Iphone gmap app that share database with DRUPAL

This application purpose is make something very very similar to aroundme app [login to view URL] Big requirement is that the informations on the map should sync from a drupal DB and also the user should have a valid user web application account to access to this mobile application. You will take care only about programming and testing. At the assignment of this project you will receive detailed graphic and interaction model of this application. Please provide informations about your previous Iphone apps experience and also your gmap API Iphone integrations knowledge. Provide also a way for contacting you in order to make a quick interview.