Its working on my Android. Also, they do include an online feed:
https://thevarsitynetwork.com/feed/source/oas-1022?audioPlayer=isuni%3Aallaccess-Live-5472
ISU vs KU will also stream on ESPN+:
https://www.espn.com/watch/player/_/id/61ae2592-5751-46d6-8712-4b41863f42fd
As will the lower bracket semi, TCU vs UT:
https://www.espn.com/watch/player/_/id/dda814ac-a5a5-4a7f-aa49-6dcafc0bfe4f
The online broadcast stream is free nowadays, BTW, in case you want the hometown call during the game. That is usually ahead of ESPN+, but can be paused to sync:
https://cyclones.com/watch/?Live=5458&type=Live