Please check your phones compatibility as some apps may not be compatible with you phone older phones may not work a virtual reality vr headset or head mounted display is a device that encases your entire field of vision like a pair of goggles it blocks out all external light and uses your mobile phone screen to project a 3d image in front of your eyes in essence a vr headset takes what people would expect to see in reality with 360 degree panorama and replicates that environment with imagery