The question was somewhat answered in TFA > We didn’t bother testing out any other functionality, such as Spotify integration, Vision, etc., but we wouldn’t be

The question was somewhat answered in TFA > We didn’t bother testing out any other functionality, such as Spotify integration, Vision, etc., but we wouldn’t be surprised if some of them didn’t work. After all, the Rabbit R1’s launcher app is intended to be preinstalled in the firmware and be granted several privileged, system-level permissions — only some of which we were able to grant — so some of the functions would likely fail if we tried.