Trying to find Navigon Eastern U.S. Region

[MTHall720]

So far I have only found Navigon for the entire U.S. which is more money than the one only for the Eastern region, which I used to have on my Iphone.
Anyone know where I can find this app-eastern region only?

 

[Usta]

Apart from the free Google Maps Navigation, you can also purchase Copilot Live USA for $5.
Version v8.2: https://market.android.com/details?id=com.alk.copilot.market.usa&feature=search_result
Version v9.1: https://market.android.com/details?id=com.alk.copilot.namarket.usa&feature=search_result