Owncast has a Kodi addon if you wanna watch tv.cube/classic.cube on your smartphones, tablets or smart tvs. Cick on the owncast logo on top, this will bring you to a owncast webpage guide to installing the Owncast Kodi plugin.
If you wanna watch the Icecast stream (if your having problems with owncast) then click here if you wanna download the M3U. Just place this into a samba server or any other external devices and stright to your smart devices. IF you are using other than Kodi, for example android-mpv and need to add a url. This is a super short for people who don't wanna type all that much. https://t.ly/UvmnB