I did go with a Pi option for the main TV, for the secondary one picked a discounted Firestick + wolflauncher using this tutorial https://troypoint.com/wolf-launcher/
The Pi does a lot more ๐ช besides media playback for the TV while it's on , but the Firestick was $19.99 at some sale ๐คท
That is ACC, still alive and kicking. Here is a gui front end for it, you can get it from fdroid or GitHub https://github.com/MatteCarra/AccA