Java ME SDK 3.0 on Mac? EA is here
By lukas on Oct 22, 2009
As it is early access provide your feedback to the guys who developed it at their blog blogs.sun.com/javamesdk.
AFAIK, only the CLDC/MIDP devices are available for the Mac. And two devices with JavaFX support.
Note: the Java ME SDK for Mac won't be in NetBeans 6.8 as its final version won't be ready when the NB will ship.