Sony and Guerrilla Games have released a new developer video for Killzone: Mercenary. this PS Vita game is coming out in September and this video provides a look at the graphics, multiplayer, touch screen and more. they use in-game action throughout this video to show how graphically impressive it is and to also show new features including the VAN-Guard. this newest piece of tech is wrist mounted and lets you guide drones to kill enemies.
Source: USA PlayStation Blog