I'm using xtreme-editor and renaming the groups to match the Live Channels groups doesn't work. Is there another epg service or channel provider that uses those groups? Having hundreds of channels make tuning very time consuming but being able to use those groups would help.
Tvirl are releasing an update this week that will allow genre Grouping in live channels ive been trsting it for a while works well for a full list of compatible genres see...
https://developer.android.com/reference/android/media/tv/TvContract.Programs.Genres