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.
Czech Republic or Czechia is a Central European state, and the producer of some of the best beers in the entire world, competing even with Germany. Most gambling is legal and legislation on mobile casinos is pending. At the moment the Czech are free to play in international mobile casinos.