Which is harder to play between American and French roulette?

[Bigron]

There are two major versions of roulette that avid gamblers are sure to encounter - French roulette and American roulette. Although each of these variants has much in common, especially for those who take only the initial appearance and similarities at face value, there are also some important differences between the two games. Well, as a gambler, which one do you think is harder to play between the French and American roulette?