(1) Nobody has this problem anymore.
(2) Plug-in author is not in this forum anymore.
(3) Nobody has even the plug-in source available so at least I can try to get it working in my side.
Found it, modified the code to multicast to the subnet. So, just make sure your iPad is on the same subnet as your computer. One last thing, I can only compile it for Mac and/or Linux. If you are on Windows, I would need a volunteer to help compile the software for the Windows version.