The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Carry Technology Co.,LTD:
1. Scan for iPhone 4/4S/5, iPod Touch 4/5 APP is designed to work with Scan for iPhone hardware. For the best conversion experience, we recommend purchasing the hardware here. Scan for iPhone 4/4S/5, iPod Touch 4/5 APP; 2. If you're using a Scan for iPhone scanner,Place your slide, negative, or photo into the appropriate holder.3. Insert the holder into the scanner.(make sure the second, unused holder is removed from the scanner, when you are going to scan photos, please make sure film holders are removed from the scanner,and vise versa);4. In the App,touch the button for your source type: slides, negatives,3x5, 4x6 or 5x7 photo or name card;