I'm sure there has been times when you have been asked to play a game of cards, Poker, Blackjack or Pontoon for example and you don't know how to play?, well why not get a book or search the net for how to play and next time you can join in.
Well, the perfect game is solitaire or patience in the uk which comes installed already on most Windows pc's or you can play it with a standard deck of cards. The rules are easily found on the net and there are several variations on the standard game such as clock patience if you get bored with the standard game.