Java based library for building GUIs in J2ME
Since it supports styles and animations, you will be able to build better looking app interfaces with RedJey, meaning that each component can be customized as you like.
Being developed using Java, RedJey is a cross-platform library which can be used on any operating system that comes with Java support (e.g. Mac OS X, Windows, Linux).
Detailed instructions on how to install and use the RedJey utility on your Mac are available HERE.