Normally it requires different builds for building closed source GPU binary for Android and Debian.
It is not this simple, but trying to simplifying, commonly building the OpenGL-ES driver for Debian requires linking X-window libraries and building OpenGL-ES driver for Android do not link x-windows and can not use the closed source GPU binary interchangeably.
For other your comments, there are millions of people feeling the same with you.
Even Linus Torvalds mentioned about the GPU driver in the past.
We are not sure how much support we could get for 16.06 release.
Your comments above on this public forum helps us making things better.