The KPIPA lens was created for audiobook service using QR codes provided by the Korea Publishing Culture Industry Promotion Agency. Anyone can use the audiobook for free by scanning the QR code attached to public places such as major subway stations. KPIPA lenses provide the following features. [QR scan function] You can search for and enjoy works by scanning the QR code on the kiosk device. [My library function] It is a personalized area, and you can see the list of works scanned with the QR