Need an Entourage of Sopranos to entertain you while you manage a Boardwalk Empire with your Band of Brothers? Starting in May, HBO subscribers will be able to enjoy "instant and unlimited access to the best HBO has to offer" using an iPad, iPhone, or Android device. Time Warner subsidiary HBO, one of the leading premium television networks in the U.S., posted a teaser video promoting the upcoming mobile app on YouTube late last week.
HBO began offering streaming services to its subsc
