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.
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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