App Name: Path Guide [Android App] Cost: Free (No ads) Publisher : Microsoft Corporation Description : Path Guide is a completely map-free, infrastructure-free, plug-and-play indoor navigation service. It exploits the ubiquitous geomagnetism and natural walking patterns to guide users to destinations along a path collected by an earlier traveler. User records sensory data with his/her … Continue reading Path Guide – Plug-and-play indoor navigation service →