BlackJack 21 is described as 'Blackjack is a popular American casino game, now found throughout the world. It is a banking game in which the aim of the player is to achieve a hand whose points total nearer to 21 than the banker's hand, but without exceeding 21' and is a Card Game in the games category. There are five games similar to BlackJack 21 for a variety of platforms, including Android Tablet, Android, iPhone, iPad and Blackberry 10 apps. The best BlackJack 21 alternative is Blackjack King, which is free. Other BlackJack 21 like games are Gold Rush Blackjack, Rodeo Judge, 88 Card Game and Quick Blackjack.