The play for fun and the play for real casinos use the same software. The only difference is that one is free to play and the other requires you to bet real money.
The odds for both the play for real and play for fun casinos are created by a random number generator that resides on our server. For card games, the deck or decks of cards are shuffled prior to each hand being dealt.
If you are in the middle of a casino game and for some reason you are disconnected, there is no need to panic. Our servers will continue the game and you will see if you won or lost the hand after you reconnect.