famousringo on 12 October 2010
For Android and iPhone 4. 
I have no idea how accurate it is, but it operates on the same principle as Nintendo's Vitality Sensor (measuring light passing through the blood in your finger). It was just such a damn clever adaptation of smartphone equipment that I had to post it somewhere.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.
