There is always a but.
You have to have Windows 7 on the host machine.
If you are like me, seemingly stuck in hotels that only have an old fashioned cable, this is for you.
I am sitting here (Beirut) typing on my laptop while my iPad is downloading an update.
I ran across this last night, it took a bit more configuring than they advertise but now it seems to be working just fine. I had to go into the firewall settings and allow the program access but once I figured that out it fits the bill for what I need.
I have no connection with them other than a couple of “help” emails.
John not in Saudi