Wi-Nav, an Android App prototyped at Hackathon Central’s Spring Hackathon (Building apps for local communities). It is designed to help blind, partially sighted and others to find their way around Tube stations by locating their position using the WiFi network.

It has much lower battery use than GPS and does not require to be connected to the Wifi.

It was the Winning entry for Best app for disabled users

Winning app "Best app for disabled users"

Winning app “Best app for disabled users”