Mark Reid Published Applications :

Unboxed brings incredibly fast quick response (QR) code scanning right to your iPhone or iPod touch, using either your devices camera, or open a previously saved code from your photo library....
iSpyBirds brings the world of birds to your iOS device. With information on 88 bird species around the world, this is the guide you need.

Get detailed information straight from the pages...
iSpyCats was removed