There are many times where you have several phone numbers / emails for your different types of businesses/activities and you only want to share specific details with specific people.
This app is an easy tool to generate scannable QR codes for your various contact details, It will act like your visual business cards wallet.
Simply ask the other person to scan the generated QR code with his/her phone camera, a popup will show up on their device to save the contact details you have specified immediately.