These are plugins for the BeOS MP3 player CL-Amp.
They won't work with any other MP3 player like WinAmp or SoundPlay.
Displays a rotating 3D dotplane using OpenGL.
Displays the spectrum analyzer on a
serial LCD display (LCD20xx, LCD40xx and VFD20xx).
Simply copy the plugin to the 'plugins' folder of your CL-Amp installation
directory (normally /boot/apps/CL-Amp).
BeOS R5 for x86.
CL-Amp Version 3.7 or newer.