Slots are among the most popular games offered in mobile casinos in Japan. Although there are various versions of slots, the rules for playing them remain the same. To play slots on mobile casinos in Japan, players should first select the number of coins they would like to bet. Most slots games in Japan offer one to five coins per spin. Players should then decide on the value of the coins, which can range from 1 to 10. Once the bet amount has been determined, the player should spin the reels. When the reels are spun, symbols will appear on the screen. If a combination of symbols results in a win, the player will be paid according to the payout table of the game.