I've been driving 600 km lately to reach my vacation destination. Well, I should thank myself for the effort to implement GPS track overlay for the next version and having it on my dev phone. Even though it still requires some optimization, the result is absolutely bright. I've saved route generated by online google maps to "My Maps" and than saved to GPX file using http://www.gpsvisualizer.com/ to SD card. Not very strait-forward. That's why I like idea of having direct import from "My Maps".