PS Vita SD card adapter

[VGPolyglot]

ktay95 said:

caffeinade said:
Now, for people to add L2 and R2 triggers.
I would use my Vita so much more if it had them.

http://www.play-asia.com/l2r2-button-grip-cover-for-pch-1000-black/13/709ikh

Does it actually recognize the L2 and R2 buttons? Or is it merely replacing the rear-touch controls?