Does this effect jME3?
My reading says “no”, no affect.
no, I guess it’s just to avoid corner cases like the “Alibaba” thing.
We don’t do fragmentation with JME…we endure it.
So the jME3 SDK isnt “promoting in any way a software development kit derived from the SDK.”
Or does it not count as derived because people install the android SDK separately?
Yes, you need the android SDK along with the JME SDK to have your JME app on android.
And all application is compiled/packaged/signed with the android SDK
Ok, all is well then 
I was just a bit worried by the “derived” bit as that’s a pretty generic term!