AndNav2 - GPS navigation application for Android
The idea of having an all in one device is pretty much realized with my G1 phone. It has a built-in GPS and is capable of being used as a navigation device. There is a commercial application called TeleNav which is free for the first 30 days but $10 a month thereafter. I did find a free application called AndNav2 that’s currently under development. AndNav2 utilizes the Open Street Map project and provides turn by turn voice navigation. The only issue is right now is only a handful of countries are supported for the turn by turn navigation. They are currently in the process of rolling it out for U.S. based users. I plan on donating some cash to these guys to help them accomplish this. I encourage other U.S. based Android users to do the same so we can enjoy it like our European friends.