Such software has been around for many years, in fact almost as long as the computer has. There are also plenty of blackjack programs out there that can be used to teach you the game, to help you improve your skills or simply to analyse the odds.
In the modern age it comes as no surprise that people use technology to assist them in the game of blackjack, and that doesn’t just apply to the card counting programs that some ill-advised people try to sneak into the casinos.