I was about to request the exact same thing - it makes it almost impossible to know which channel is which unless they have proper logos (which a lot of IPTV channels or custom M3U playlists don't have).
Am I right in thinking that right now you can't see the channel name anywhere at all in the guide view? Surely there has to be some way to see the channel names - please let me know if I'm missing something.
Even if it was visible in the guide popup when playing the channel, or when viewing the TV guide information about a program, then it would really help. All they seem to have is the logo and channel number.
I've also seen other apps implement this in a really nice way where the channel name is overlaid on top of the logo when that channel is focused in the guide view.