there are eight custom device actions that contain some custom speech. All actions is build in device.The first one is Default Intent that describes main，the second one is Screen Mode that describes switch off screen display，the third one is Personality setting that describes change time display format OR Show storage space OR Change picture preset OR Change sound preset，the fourth one is Basic services that describes Operational control OR Time management，the fifth one is Content service that describes search specific content OR get recommendation from TV OR clean Android TV garbage，the sixth one is Live scene that describes modify channel list or favorite List or Show program data OR show the favorite list，the seventh one is Theme interaction that describes Morning mode OR Evening mode OR To define a alarm for wake up，the eighth one is Control Focus that describes move focus.