Well, if you'll get it to work on N900, it's nice to hear.

However, a little warning: I just remembered one thing that might be a big problem in N900. My application loads the map images to RAM, so the bigger the map is (in pixels), the more memory it will use. This wasn't a problem in N9, where there is 1GB of memory, but I don't know about N900. I'm afraid big maps might be totally unusable.

Good luck.