In practice, this often works via a mobile app synced to the theater's main projector. As the film plays, pause points trigger a random number generator. The audience member holding the ticket matching that number wins a prize—but more importantly, the plot alters for the next scene based on that "winning" condition.
Since you provided the Greek transliteration "kino kliroseis," I have interpreted this as the Greek phrase (Kino Kliröseis), which translates to "Kino Draws" or "Kino Lottery Results." kino kliroseis
Because the draws are random, no two screenings are the same. If you see Dune: Part Three on a Tuesday night, the main character might die in Act II because a draw went against them. On Friday, they might live. This creates massive social media engagement as fans compare "draw logs" to see which version of the movie they got. In practice, this often works via a mobile