This app was mentioned in 1 comment, with an average of 1.00 upvote
There's a bunch of products that do this. Google "room booking kiosk". I know there was one for Android I saw last year. I'll try to find it.
Edit: here's the one I was thinking of https://play.google.com/store/apps/details?id=com.gogetcorp.roomdisplay.v5