Forgot to carry your deck of cards? worry not, download Shuffle: the mobile deck, a Playing Cards simulator for free. Just connect to the same Wi-Fi network or create a local hotspot instead. no internet required. just want to have a quick game of blackjack? play offline. not even Wi-Fi required. you get a deck that can be shared among your friends on their phones via local network. rearrange the deck, move it around, stack.