Foreigner allows smartphone owners to use maps and geolocation abroad, without the roaming fees
More About This Demo From The Author
This prototype of a mobile web application allows to prepare trips in foreign cities by zooming on the area you intend to visit on a google maps, and save it for offline use.
You can even import maps created with Google Maps or Google Earth along with their with markers and descriptions.
Once offline, your gps will allow you to keep track of where you are and not get lost.
Get the Source Code
This demo is released under the GPL license.