Automobile iPhone / iPad / Android / Blackberry App

We are planning to develop a project for automobile centers, we are based in Bangalore, India and want this app developed as early as possible Requirements: > When someone taps on the location, the app should interface with the Maps and give the location to the user > Should give info to the user for the nearby automobile service center > Should give customers any special offers such as Oil change discounts etc. > Should give pricing details of the stores nearby > Customers should be able to create their own accounts, that will store information about the automobile they are owning (such as model, make etc.) >Customers should be able to call from the app by tapping on the phone number display >Customers should be able to make / cancel reservation >Customer should be able to send email / text if they are not able to make at an appointed time >Optional, it should small Ads from the nearby stores >Customers should be to make reservation depending on the calendar availability of the automobile stores >Customers should be able to see on the app if they can get free ride based on the location to pick up the car when it is ready