Why isnt there a quick and easy way to refill the credits?

Maybe I am missing something, but the only way Ive found to refill the credits is to end the game, go back to the menu, start a new game, re-enter your desired bet amount, pick your selected lines and then spin. That is more than enough steps to make me not want to play these games. While it has decent graphics, I have yet to get the sound to work on any of the games included. The value is good, if you dont mind all those steps everytime you hit 0 credits and you dont mind not having any sound while you play.

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