According to Momo Müller, the MicroKorg XL and XL+ MIDI Editor is a remote and sound editor for Korg's popular, evergreen hardware synths / vocoders.
According to Müller it provides a simple access to all the important parameters. It can be instantiated as a VST plugin or as a standalone editor for PC 32/64 Bit and Mac as VST, AU and Standalone.
The "MicroKorg XL" and "MicroKorg XL+" parameters can be automated, and they can be stored in your Project. With the X-Y-Pad any controller can be selected and controlled. You can select the sound off the "MicroKorg XL" and "MicroKorg XL+" (Patch Number A11-B88 ).
Many hidden parameters can be changed on the "MicroKorg XL and XL+ Editor", and stored on the MiroKorg Hardware itself.