Looks interesting, but i guess it would be helpful if there would be example rounds for a "good hand/resulting" round and example also for a "bad hand/resulted" rounds in combinations/choices - and tutorial what to do and where to aim; to lose or win in the game/or in the scenario phase.
There seems to be many different items so holding mouse on them or similar mechanism could be helpful to show what this item as received from the vendor would be doing and what are the risks (mainly how much the each item cost right now) - otherwise it would be just tapping the machine in the very dark soundless alley while nothing special happens until start gain progress due to combinations and purposes to be found.
Also, I dropped off from the world's ledge when moved too far backward at the dark corner so there's might be a missing collider or something.