My wife is so representative of the idea to write to her aplikacjew which will be able to enter data about customers, orders - that was a great opportunity to see on a map where it was and where it was not already. I have downloaded the file offline maps OpenStreetMap XML format - the problem is that they do not quite know how to go about it and how to create image maps - please tips, hints, what to use - for every hint I would be very grateful.