BTLib package is a J2ME Bluetooth library useful when developing applications for Java, Bluetooth enabled mobile devices. It is NOT a standalone J2ME application - please do not download it into your mobile phones, it will not work.
The other packages are individual applications utilizing BTLib. You can download any of them and run it in your mobile device.
To use any of the applications, you need both .jad and .jar files loaded into your mobile device.
All packages are licensed under GPL. In case you would like to get the sources, either download plain *-sources.jar or get the complete Eclipse project in *-project.zip .
You can find all project downloads here .
There are several ways on how to install the application into your phone.