A free spin is essentially an offer that a casino gives to its players to spin the reels free of charge and have the opportunity to win real cash. The free spins may be given to both new and current customers, and it's one way to reward and encourage them to continue betting.
Belgium the is the "capital" country of the European Union, also famous for its excellent beer production. Gambling, including mobile and online casinos, is legal, popular and clearly regulated. This makes mobile casinos a convenient and safe market for Belgians looking to play. The market is very protectionist, and it is difficult for international casinos to enter.