GearVRf v2.4
Source codes and prebuilt binaries (works with Oculus v1.0.0)
Build instructions: http://wiki.gearvrf.org/bin/view/GearVRfDeveloperGuide/GearVRfDevGuide200Start#BuildInstruct
Android Studio and Eclipse project templates: https://github.com/Samsung/GearVRf/releases/tag/2.2.1