In Mobile phone how to make the VR mode open

Development Platform & Builds XR Development
1

I have also packaged a project to .apk file,but I don’t know how to make the VR mode open in Mobile phone.
Any friend can help me ?

2

I only know of this working with the GearVR. I’m assuming that’s what you are after?

https://docs.unrealengine.com/latest/INT/Platforms/GearVR/QuickStart/3/index.html

3

OH，not Samsung Galaxy Note 4 Smartphone,I mean is other Smartphone,Thank you all the same。