Playback from this add-on is achieved through other add-ons, that must be installed and configured (with linked active accounts where required) beforehand on your system.
Supported services and their equivalent add-ons are as follows:

AMAZON PRIME     :  [I]plugin.video.amazon-test[/I] - Sandmann79 repository
BBC IPLAYER      :  [I]plugin.video.iplayerwww[/I] - official Kodi repository
CRACKLE          :  [I]plugin.video.crackle[/I] - official Kodi repository
CURIOSITY STREAM :  [I]slyguy.curiositystream[/I] - slyguy or[CR]                    [I]plugin.video.curiositystream[/I] - official Kodi repository
DISNEY+          :  [I]slyguy.disney.plus[/I] - slyguy repository
HBO MAX          :  [I]slyguy.hbo.max[/I] - slyguy repository
HULU             :  [I]slyguy.hulu[/I] - slyguy repository
ITV HUB          :  [I]plugin.video.itvhub[/I] - standalone by dimkroon
NETFLIX          :  [I]plugin.video.netflix[/I] - CastagnaIT repository
PARAMOUNT+       :  [I]slyguy.paramount.plus[/I] - slyguy repository
PLUTO TV         :  [I]plugin.video.plutotv[/I] - official Kodi repository
TUBI TV          :  [I]plugin.video.tubi.m7[/I] - mhancoc7 repository or[CR]                    [I]plugin.video.tubitv[/I] by Lunatixz
UKTV PLAY        :  [I]plugin.video.catchuptvandmore[/I] - official Kodi repository

Thanks to the creators/maintainers of aforementioned add-ons.
Playback of local library files is also supported.
[I]This project uses the TMDb and JustWatch services.[/I]