The AppleTV needs to be either wired via ethernet or wifi connected to a home network that your phone is connected to via wifi. Adding an AppleTV to your home network is no more difficult than adding a wifi connection to an iPhone.
The AppleTV needs to be either wired via ethernet or wifi connected to a home network that your phone is connected to via wifi. Adding an AppleTV to your home network is no more difficult than adding a wifi connection to an iPhone.