here is the site
• Select proper EPG country to correctly match channel electronic programming language
• Use Enable list logos to enable logos included in your playlist or Override app logos (tvg-logo)
• Use Save online only if you have problems loading playlist on your TV due to low memory
• Use Detect EPG to automatically detect EPG URL included in your playlist (tvg-url, url-tvg, x-tvg-url)
• Use Disable Groups to disable playlist groups when uploading multiple playlists