I was once on an international flight which had an endless trivia game, where the questions were broadcast to every seat. You could pick a name, and there was a

I was once on an international flight which had an endless trivia game, where the questions were broadcast to every seat. You could pick a name, and there was a flight-wide leaderboard. I think that could be a good direction: simple shared experiences that you can drop in and out of. Airlines are too cheap to spring for fast hardware, and the touch displays are chosen for durability more than responsiveness.