Simple iPhone App for Cars

This is a really simple iPhone / Droid app. Application suppose to be activated with entering a simple 5 digit code (could be any code, not need to be checked for accuracy ) We need mobile phone application with ability scan VIN number of the car, recognizing what is the Make and Model and with few buttons do next: - Pull up from database (located at our WEB server) detailed information about the car. - There will be 2 buttons - "I want to Sell" and "I want to Buy". When person click on the buttons, basic information about car , phone number, Activation code suppose to be send to an email address. There suppose to be 2 [login to view URL] during use of the application - User to enter Name and Zipcode - both not required, but if are entered - send the as well to the email. Application can be developed on 2 phases 1) Enter the model and make of the car and pull up the information; or 2) Scanning the VIN - to be entry point of Model and Car. Please give us bid base on 2 options and model of the smartphones