Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
Re: Allow Roku boxes in the UK to add the Tablo DVR app as a channel?
Roku does not have any control over where apps/channels are permitted to be used. That is under the sole control of whomever developed the channel, most likely Tablo. You'd have to take it up with them.
Dan Roku Stick (3600), Ultra (4640), Ultra (4670), Premiere (3920), Insignia 720p Roku TV, Sharp 4K Roku TV, Nvidia Shield, Windows 10 Pro x64 running Serviio and Plex on a wired Gigabit network.