Name of your router is ssid like what u see when searching for wireless network. For wan ip google that on your computer and any of the links will tell you what urs is.
WAN is wide area network which is used to access your network from outside your network.
LAN is local access network which is when you are connected to your WIFI or through a cable within your location.
The LAN IP usually starts 192.168.?.?
The WAN is the other IP and can be found on the home page of your router. Not mentioned on your APEX. You would have to manually enter this on the app.