i got it working on my n95 but already deleted it cause it has a bad mapcoverage over eastern europe. I now have got the sygic app and its much better with a great mapcoverage.
but if you want to test for yourself you have to do some more steps which i found in this forum also.
I think you can use [Only registered and activated users can see links. ] ScoobyDoo posted.
there should be an txt with the complete howto.