You need upload “Gear VR signature file” to oculussig_xxxxx file for running this app with your Galaxy device.
![](http://instavr.wpenginepowered.com/wp-content/uploads/2017/02/2017-02-08-at-00.20.41.png)
The “Thread priority security exception. Make sure the APK is signed” error will be occurred if you didn’t upload proper signature.
![](http://instavr.wpenginepowered.com/wp-content/uploads/2017/02/2017-02-08-at-00.19.34.png)
Please take a look https://developer.oculus.com/osig/ for more details.
![](http://instavr.wpenginepowered.com/wp-content/uploads/2017/02/2017-02-08-at-00.23.28.png)