The "My Music" has a strong Chocolate smell to it, but uses a simple one-line LCD below the keypad to keep the phone's appearance simple when the slide is closed.

ENGADGET: Pantech's oddball concept lineup Mobile

Until then, there are simple at-home exercises that perfumers and other professional "smellers" recommend to keep the sense of smell in shape.

WSJ: How to Sharpen Your Sense of Smell