This app can only be used in conjunction with Diverse Computing's eAgent 2. 0 user account. Registration with eAgent 2. 0 is required before scanning. After registration, your phone's camera is used to scan the 2D barcode on the back of most US Driver's Licenses. The barcode data is automatically submitted as a DL: SmartMessage query and is displayed in the eAgent 2. 0 Inbox.