This app is simply beautiful. I am running it on a Blackberry 8800. I followed the simple four steps and three commands in this thread and I was in business: a) Download and install the RIM Java Development Environment. from http://www.blackberry.net/developers/ Download and install the Sun Java SDK. http://tinyurl.com/5sfcv9 c) cd "c:\program files\Research in Motion\Blackberry JDE*\bin rapc import="c:\Program Files\Research in Motion\Blackberry JDE*\lib\net_rim_api.jar" codename=URAPPNAME -midlet jad=SOURCE.jad SOURCE.jar d) javaloader -usb load OUTPUT.cod Source: http://www.pdastreet.com/forums/showthread.php?s=&threadid=47229