I cant as i dont own the HW but you can create a nodeJS server on PC to run Leap and talk to phone through wireless, so you will be able to use with GearVR the problem is that i ahve no idea how to
I do want to test this out to see if you get better hand tracking performance in android but my attempts failed
Search about it there alot out there well not enough for me if you manage to get it working please share how you did it.
Today i order the SnailVR which is a chinease competetion for GearVR same 96 degree angle, phone cam pass through, easy access for usb and headphone jacks and for any phone, ill see how it works with Leap as i am getting tired of Cardboard i hope its not garbage