Not yet.
You might be able to set up alternate View layouts to the methods used in Theatre View and still get the content though. Perhaps a View that shows what is currently playing, and a View showing a program list on a channel by channel basis. I don't think all the TVInfo() functions, and other expressions, work in JRemote2.
I don't think Live TV is supported yet though, so you wouldn't be able to play channels from the "Guide". I have a Playlist of channels that I can access inside JRemote2, but the channel won't play.
Of course, you can already play TV recordings in JRemote2, with the appropriate conversion settings in the App. The server will convert the video to play on the Android device.
Anyway, there has been no announcement of support for Live TV in JRemote2 that I can recall, so that is still a way off.