SmartOne Application support multiple playlist format, including almost all available tags are support, above a list of supported tag officially :

tvg-name ; used as stream title
tvg-logo ; used as channel logo or movies/serie poster
group-title ; used as group name for the stream
user-agent ; used to determinate the custom user agent
tvg-type ; to determinate the stream type, possible value are live, movie, serie
tvg-serie ; used to determinate the season id to group episode on it
tvg-season ; used to determinate the season of the stream
serie-title ; user to override the series title
tvg-tmdb ; used for fetching movie info from tmdb side
tvg-url ; URL for the XMLTV data. Only used if isn't set on the add playlist page. only 1 link supported
url-tvg ; URL for the XMLTV data. Only used if isn't set on the add playlist page. (same as tvg-url)
x-tvg-url ; URL for the XMLTV data. Only used if isn't set on the add playlist page. (same as tvg-url)
tvg-id ; A unique identifier for this channel used to map to the EPG XMLTV data.
tvg-shift ; Channel specific timezone shift value in hours for epg entries.