Kgtv player is the only player of iptv supports the editing of channels, you can change name, order, tags, add to favorite and also you can reclassify in groups in easy way.
You just have to long press on the channel and drag and drop.
If you want to delete, edit, or add the channel to your favorites, drag the channel down and a bar will appear for you at the bottom.
If you want to move the channel, drag it up to the group you want to move to.