1. Google Cardboard. vr.google.com/cardboard . Accessed May 2018
2. High Level API. docs.unity3d.com/Manual/UNetUsingHLAPI.html . Accessed May 2018
3. Leap-Frame. developer.leapmotion.com/documentation/java/devguide/Leap_Frames.html . Accessed May 2018
4. Leap Motion. leapmotion.com . Accessed May 2018
5. Leap Motion hand assets. developer.leapmotion.com/documentation/csharp/unity/Unity_Hand_Assets.html . Accessed May 2018