Time sensitive deal site using geofencing

I need a site like this [login to view URL] I need to develop a technology that pushes time-sensitive deals directly to a phone based to my customers current location. I want customize what they see by setting ther favorites and preferred deal radius. Only sending the deals they want, straight to their phone. Heres what they say about what they offer: Because we aren't limited to one deal per day or one business per day, your favorite retailers compete for you with incredible discounts. These discounts last from 15 minutes to 12 hours meaning there's always a new deal ready to explode. There is no printing necessary and no upfront cost, simply download our app today and start detonating deals at the places you love [login to view URL]:- 100's of deals every day at the places you love most- Favorites, category and radius settings allow you to customize your experience- Radius search shows deals close to you in list and map view- Facebook and Twitter integration allows you to easily share deals with your friends- Explorer mode learns your preferences and recommends new businesses you might like I want to make this only available in naples florida I need someone to design the app and the web page and do the programming for the app and the web page. i would like an app for the iphone, and blackberry and android ------------------------------------------ Added 8 JAN 2012, 17:45 PM EST see app on itunes [login to view URL] ------------------------------------------ Added 8 JAN 2012, 17:51 PM EST Heres information about what we provide the businesses [login to view URL] ------------------------------------------ Added 9 JAN 2012, 20:03 PM EST Im not looking at something built from scratch i dont have a huge budget