The basic difference between AR & VR is the user experience and user involvement in a situation. Augmented reality (AR) is a technology that layers computer-generated enhancements atop an existing reality in order to make it more meaningful through the ability to interact with it whereas Virtual reality (VR) can be defined as an artificial, computer-generated simulation or recreation of a real life environment or situation which immerses the user by making them feel like they are experiencing the simulated reality first-hand, primarily by stimulating their vision and hearing. Currently, AR & VR technology can be experienced on a number of device types, but one of the most important categories is hand held devices. Hand held AR & VR devices are devices on which user can experience the joy of technology freely while roaming around without having to mount any devices on their head or sit around any projector or display terminal. Growing popularity and a rise in the number...