DoubleU Casino - Free Slots, Poker, Blackjack and Baccarat. App Page. OMG! . Enjoy the NEW slot with the fun bonus mini-game and happy spinning!. Product description. THE BEST FREE-TO-PLAY SLOT MACHINES APP ON ANDROID! The first fast-paced tumbling reel action slots that will keep you winning. Play FREE Vegas style slot machines and get an amazing 1,, free coins! Download and play best games and social online tournaments. More by Slots Limited. I like just the slot games. Learn more, including about available controls: Games View in iTunes. Royal Jackpot-Free Slot Casino Royal Jackpot-Free Slot Casino.