Find a Router Wireless Key Using Android
XDA forum member deovferreria has developed Penetrate, an Android app that can find the wireless key of Thomson, Dlink and SpeedTouch routers.
Penetrate maps the SSIDs and MAC addresses into their respective default keys. For SpeedTouch and Thomson, a special dictionary is required to be installed on your sdcard and the app provides instructions for this.
The app scans the networks around your device and detects ones which are reversible.
Originally posted by deovferreira:
Disclaimer: This application does not perform any illegal attempts at accessing a network, manufacturers usually set the default key in function of the SSID or MAC address, this is how we can find out the key.
Penetrate is available for free in the Market.
For more information, check out the application thread.