Allows downloading content to mobile devices for offline viewing.
Many Emby apps (like those for Android TV ) now allow free playback for a limited number of devices without a full Premiere subscription. emby premiere key free free portable
For most home users, Jellyfin is equal or better. It lacks some polished client apps (e.g., Apple TV is less stable), but hardware transcoding, DVR, and downloads are all free. Allows downloading content to mobile devices for offline