A Czech film project offered audiences choices of paths through stories, back in the late 1960s.
The film, a comedy called Man in His House, is repeatedly stopped by an actor who appears on stage in front of the screen at key moments and acts as a kind of master of ceremonies.
At one point for instance for instance he halts the projection just as the film's main protagonist has been flagged down by a traffic policeman while in hot pursuit of his enraged wife in a taxi. Audiences push a green button if they want him to hit the gas, or red if they want him to stop.
Kinoautomat is being revived now, apparently.