(There's no video for iDock yet. Please contribute to MR and add a video now!)
This are the Mac OS9 installation utility for the iDock.
iDock_Installer_1-1-2.sit.hqx (507.65 KiB / 519.83 KB)
iDock v1.1.2 installer (2001) / BinHex'd, use Stuffit Expander
As far as I know this will only work for mac OS9.
Emulating this? It should run fine under: SheepShaver