Follow the on-screen instructions, install the firmware, and install the font package. Install the Game: Go to File -> Install .vpk . Select your FIFA_12.vpk file.
To play FIFA 12 on Vita3K, you'll need:
FIFA 12 relies heavily on the Vita's rear touchpad for precise goal shooting. If you are playing on a PC or phone with a physical controller, map the rear touch axis to your controller's right analog stick or a specific trigger button combination to access the full suite of gameplay mechanics. To help tailor this guide further, let me know: Fifa 12 Vita3k