How to open and view gla2 file, and this is the problem http://ift.tt/29ioeSb ?

I download apk file and obb file of a game. I extract obb file ass a zip. And inside have file call GLA2 file. I want to view data inside it but can't open as zip or text. How to view data in GLA2 file.? Never find any data about GLA2 file, even 1.

from xda-developers http://ift.tt/29leF3Q
via IFTTT