No, the server will continue to fulfill that function. A router serves 3 functions:

1. Access to the Internet
2. Shield from the Internet
3. Traffic controller of the local network

Powerful router are too complex for people to use. Easy-to-use routers are not powerful enough. We will make a powerful router that is easy to use...and bonus points it will integrate seamlessly with a Start9 server :) 

omg can’t wait

So basically an internet router that can run lightning and apps?

Yes, to replace your current home router. It's going to be awesome