Turn your mobile into a VIRTUAL REALITY HEADSET: £40 harness uses phone's sensors to track movement and play games "Damn, I could have spent 40 Euro and not $2 Billion to make one of these!"

Poland's entry into the Dive Mask HMD sweepstakes.

http://www.dailymail.co.uk/sciencetech/article-2634943/Turn-mobile-VIRTUAL-REALITY-HEADSET-40-harness-uses-phones-sensors-track-movement-play-games.html