Surprise your friends! With the Artoz Smart Paper app you can easily upload video, audio or photo messages on your Artoz Smart Sticker. Choose a video, audio or photo from your library, lay your smartphone onto the sticker and upload the file with a push of a button. Send your personal card to your friends. They can scan the sticker with their smartphone to receive your message.Important note: Prerequisite for using the app is a device that can read NFC with OS 5.x or higher.