...That is where all the religious channels came from.
They probably came from Matthew 28:19-20.
To the point of the thread, socantra is right in that if there is a particular outlet you want to see on Roku that's not already there, contact them and request that they provide content through the little streaming box.
Roku 3, Roku 2, Roku 2 XD, Roku Stick (3600)
Apple TV (4th gen), TiVo, Chromecast
Roku Stick (3500), Roku 1, Roku 2 XS, Roku LT(2400), Roku XDS, Roku XD (2050)
Apple TV (2nd, 3rd gen), FireTV, FireTV Stick