Among the new applications and services, Sony introduced the PlayStation App, allowing PS4 owners to turn smartphones and tablets into a second screen to enhance gameplay.[46] The company also planned to debut PlayStation Now game streaming service, powered by technology from Gaikai.[47][48] By incorporating a share button on the new controller and making it possible to view in-game content being streamed live from friends, Sony planned to place more focus on social gameplay as well.[46] The PlayStation 4 was first released in North America on November 15, 2013.