You need to download blackberry java APIs and get a code signer for your applications to run on blackberry device. The code signer will cost you $20 for one time fee, without which you cant deploy application on your blackberry device.
I agree. Here's the link: http://ej-technologies/jprofiler - if it wasn't for jprofiler, we would need to
run our stuff on 16 servers instead of 3.
subject: How To Develop BlackBerry Application Using J2me