This app was mentioned in 2 comments, with an average of 1.00 upvote
Took me a while to find it again, but check out this crowd-source light app (came across it in /r/androiddev) - https://play.google.com/store/apps/details?id=com.qraider.qraiderlights
I haven't tried it out myself though, so Idk how good it is.
The beacon video above is interactive and works with the following app:
This is not a very publicized app, and not something we build for any team/school. It's just an app we use for internal demos, but it's the one I chose to work with the interactive video above.