Game Info Editor
Adding to the list of PS Vita firmware 'easter eggs' is a hidden system menu uncovered by the folks over at Japanese site Emu on PSP. Information exposed includes the product code, release build, and other internal version strings.
Accessing it is fairly straightforward. For several seconds, simply hold the left d-pad button, square, as well as the L and R triggers together[...]
Continue reading: Hidden System Menu Uncovered On PS Vita...