This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
I don't know what a "pen drive locker" application does, but where does the user click on a drive symbol - in a window of the file system, or is this something your applet shows? If the former, then this isn't possible. Applets can react only to events inside of the applet GUI.
Ping & DNS - updated with new look and Ping home screen widget