It’s called Kodi. It’s a media centre that organizes and displays a library of your own, locally stored (on a NAS or external hard drive) video files.

It can be extended with add-ons for example for watching YouTube, but of course there are also some piracy add-ons, which Kodi itself doesn’t condone, but can’t do anything against

Maaaaan… I didn’t use this for 360 photos, but as a workaround for the broken panorama mode. Every panorama photo I take with my pixel 6 is blurry - I believe it’s a bug where the camera doesn’t refocus when taking the next image