OpenBandy is a free open source software library for the Java Micro Edition that simplifies the development of MIDlets by providing some basic functionalities that are per se 'missing' in the Java ME API
OpenWatch is a WIP prototype of smartWatchM application for the Java platform. It works with Sony Ericsson MBW-100/150/200. The mobile phone has to support JSR-82 (Bluetooth API, even for unsigned apps). There may be few more requirements since the development is in the beginning and the prototype wasn't tested on many phones
Rectangles is a test program that has some interesting features. It displays some information about your phone in a box that you can move around your touch-screen. When you press on the box it displays a scrollable list. To exit the program press the front button and select Terminate
Samsung I300 Java Installer - In Samsung I300 you can install java midlets only from internet/wap. This small and free soft can help you install midlets from your smartphone without using internet