Oculus “Quill” Turns VR Painting Into Performance Art | TechCrunch
Seems Quill will change name to "VR Animation Player” after Oct. 18th, and taken off the Rift store (due to going back to the original creator) : r/ oculus
The Mind Blowing VR Quill Painting By Goro Fujita - VRScout
Oculus Quill VR Painting Tool For Rift Will For Free December 2016 (video) - Geeky Gadgets