WirelessFinder is an app studied to search hotspot near you.
The app use the wifi receiver to take the signals of hotspots and then it take the coordinates of them and save their info into a database.
If you need to remember where's a wifi, by using Wireless Finder you can take it on a google map.
for example, you are in a foreign city and you don't have no possibilities to comunicate with your family and friends because you don't have any active promotion?
With Wireless Finder if you have done a research, in it's database you have the possibility to have a Free WiFi to use in that moment.