How are you going about installing Jellyfin on random hotel TVs? None of the hotels I've stayed at have that level of freedom on their TVs.
(So I instead travel with an Apple TV that does all of the above, and more)
If there is a browser then that's all that's needed. Just point it to the LAN IP of your Jellyfin install.
If there is a browser then that's all that's needed. Just point it to the LAN IP of your Jellyfin install.