To play craps, you need nothing more than two dice (and players, of course). A dealer collects bets on the predicted outcomes of a single toss or number of rolls, then casts both dice in one go. Other than knowing the faces of a die, one needs no other skill to play craps.
The Netherlands is a European country which is well-known for its relaxed and liberal attitudes to many things, including gaming. This means that its citizens are free to enjoy all the fun of online casino games and many of them choose to play on their smartphones using the latest apps from European casinos.