More setup questions

Hello again.
First, for the “listening” IP address, is it for the computer (laptop) or the mount controller? The address for my laptop is while that for the mount controller is
I do not get either the Listening or the Setup buttons.
Secondly, does it matter how the computer communicates with the mount controller?
My controller, Losmandy Gemini 2, has three means of communication: Ethernet (N/A), USB and serial (for the ASCOM driver).
Lastly, I haven’t received a reply, of my post, about the WIFIScope app not installing correctly. Maybe these questions here would clarify my setup so that the app can work properly.