I was trying to import the WL sample project for Android native push. After reconfiguring the options, I've tried to invoked the adapter, but it failed - there was no procedure to select:
My environment is:
I'm using Eclipse Java EE "Kepler" SR2 (you're using Luna, but that does not matter) with Worklight Studio 6.2.0.01.20141027-1531 (but this too should not matter).
After right-click the adapter folder (adapters > PushAdapter), I see the following: