No, this isn't an April Fools' joke -- this is real. Zenus has actually debuted a family of scented iPhone accessories called Herb Garden Screen Protection Film for iPhone 4 ($20). That's right: scented screen protection film. Composed of both front and back protectors, Herb Garden has "scent capsules" on a strip surrounding the Home button and on a patch that covers the entire iPhone 4's rear glass surface, except of course for one of those nasty…
