Computer hardware for virtual, mixed and augmented reality applications and environments consisting of a head mounted unit containing visual displays, speakers, near-eye display optics, namely, optical receivers, cameras and sensors, a handheld control unit, and a wearable computer processing unit and graphics processing unit; Recorded virtual, mixed and augmented reality computer software for enabling a user to interact with virtual and mixed reality environments and content; recorded computer operating systems; downloadable software development kits (SDK) for use in enabling computers, handheld consoles, tablet computers, mobile devices, and mobile phones to provide augmented and mixed reality world experiences; downloadable computer operating software for use in enabling computers, handheld consoles, tablet computers, mobile devices, and mobile phones to provide augmented and mixed reality world experiences