Here is another controller that lets you get more out of your VR games. The UnlimitedHand Haptic Game Controller brings the sense of touch to your games. It tracks the movement of your arm, hand, and fingers and recognizes hand gestures using an advanced muscle motion sensor. Data transmission is handled via Bluetooth.
The UH-01 controller is developer friendly and compatible with Arduino. Unity and Unreal Engine plugins are also available. The controller is compatible with Mac OS X and Windows.