Great step by step instructions for setting up your environment correctly here: https://www.reddit.com/r/GearVR/comments/2qcryc/step_by_step_guide_to_building_apps_for_the_gear/
Oculus Signature File:
Get your device id by:
[pastacode lang=”bash” message=”” highlight=”” provider=”manual”]
adb devices
[/pastacode]
Copy the id and paste it on the site below to get your signature file
Oculus signature file: https://developer.oculus.com/osig/
Oculus Android Utility Package:
Download the oculus utilities package: https://developer.oculus.com/downloads/game-engines/0.1.0-beta/Oculus_Utilities_for_Unity_5/
Made a quick video to show you how to build and run on GearVR:
Thanks for posting this! Super helpful.