Use DS/PSP Stickers to Check Things Like UV and Darkness

Dubbed "Sparkly Jewelry Seals," these stickers seemed aimed at Japan's young female gamers (or grown men very secure with their sexuality). One set of stickers turns pink when in UV sunlight, and the other turns green in dark places. Going on sale October 16th in The Land of the Rising Sun.

Screens Via Comments
via kotaku

What makes these DS/PSP stickers?, they just look like stupid heart stickers you could stick anywhere ;[

perhaps they are encrusted in exorbitant gems.

or not