The value of an Ace can either be ‘1’ or ‘11’.You want a hand value closer to 21 than that of the dealer.But, remember, you don’t want your hand value to exceed 21.It is a comparing card game between a player and the dealer.Here are the skills that you need to create Android games: So let’s know the architecture and steps to create a game like this. Eclipse for Android development is used here to create this app. The background of the game can be changed, and sound effects can be turned off as well. Sound effects have also been used in this Android game application. This BlackJack android game application (Twenty-one game) is pretty cool and includes a basic introduction of the game. The Blackjack game was designed by Hishab Muneer. Design level concepts to develop this type of application has been shown in the video.