If anyone knows of it, do you know how to implement it into a game? As far as I can tell, it's not plug'n'play, and the documentation isn't in English which makes it a bit trickier to figure out how to use it, since google translate likes to be derpy.

Do you have a link to this script?

http://xasabs.wordpress.com/xas-vx-ace-v0-5-by-moghunter/
I got it from there.

Here is an english version for the most part.
http://www.4shared.com/rar/k6VAD_PJ/XAS_In_English.html
have to sign up to download.
As far as i can tell its not plug and play and many scripts that evolve party, battle, and mapping seam to not be compatible.

Also here are the two demo people faces.