Based on its description, the app seems similar in purpose as Microsoft's SmartGlass application; however, Sony's offerings expand further with the addition of updates to its PlayStation Vita. As revealed during its PlayStation 4 reveal event, the Vita will be able to remotely play console games with the use of Gaikai's streaming technology.
PS4 integrates second screens, including PlayStation®Vita (PS Vita), smartphones and tablets, to wrap gamers in their favorite content wherever they are. A key feature enabled by second screens is "Remote Play" and PS4 fully unlocks its potential by making PS Vita the ultimate companion device. With PS Vita, gamers will be able to seamlessly pull PS4 titles from their living room TVs and play them on PS Vita's beautiful 5-inch display and intuitive dual analog sticks over Wi-Fi networks It is SCEI's long-term vision is to make most PS4 titles playable on PS Vita.
A new application from SCE called "PlayStation®App" will enable iPhone, iPad, and Android based smartphones and tablets to become second screens. Once installed on these devices, users can, for example, see maps on their second screens when playing an adventure game, purchase PS4 games while away from home and download it directly to the console at home, or remotely watch other gamers playing on their devices.