The very only intention of this app is to demonstrate the insecurity of your own routers, and warn of the danger of using default passwords. It works with WLAN_XXXX, JAZZTEL_XXXX, Ono, and more.
PulWifi is considered one of the best tools for auditing wireless networks, as well as Revela Wifi and Wifislax
Remember that use a broadband connection that is not your property is a crime.
Change your routers pre-defined (and vulnerable) password!
Internet permissions are for ads, wifi-related permissions are needed for scanning wireless networks.