A secret poker game you can play on the subway

Very reminiscent of "Tube Poker" (2005), A short mockumentary film by Simon Levene.

("Tube" has long been a colloquial term for London's Subway system).

- https://www.simonlevene.com/portfolio/tube-poker

- https://www.imdb.com/title/tt0818537/

Edit : in fact the points are exactly as describes at around 03:45 https://youtu.be/UttaYUv5zYg?t=221