Some ideas for the application

I was thinking to some way to put together a good application for experiencing with the annotated space thing. Some ideas:

1. it should be very light
2. it should be portable
3. I may use an SVG viewer for the J2ME like TinyLine, hook it with a server providing a great SVG map of the place I want to use, then I need just some extra coding to implement the extra authoring functionality and that’s it.
4. I need eventually an SVG map server like this one: