Engaging in the Sport. Once they have money in their account, players can access the casino's game collection and choose to play a 777 slot machine. Players are abllatest rummy appe to customize their paylines and bet size after selecting a game. Following the placement of their bets, players only need to press the spin button to see the reels come to life. Bonus Features and Winning. According to the game's paytable, players will be paid out if the symbols on the reels align in a winning combination.