While there are quite a few QR Code scanners out there for BlackBerry QRem is the first one I have seen that lets you generate and create QR codes from your device. They built their app to let you create your own QR codes for Contacts, Calendar Events, Tasks, URLs, Memos, PIN numbers, GPS coordinates, Emails, Phone Numbers, and SMS messages. It adds a new context menu item to applications that let you simply select “Show QR Code” and it will generate a QR code for that item.
Its kind of a cool way to share a contact between different devices or a calendar event. Best of all it is totally free. You can pick up QRem in App World here.