WorldCard HD is a free Android tablet app developed by Penpower Inc. that uses Optical Character Recognition (OCR) technology to scan and transfer business card information to the user's native contacts. With WorldCard HD, users don't have to worry about manually inputting contact information from business cards, which saves time and reduces the chances of errors.

The app offers amazing accuracy of recognition and allows users to scan and recognize large numbers of cards at a time. It creates contact groups and has an effective search tool that makes finding the right contact easy. WorldCard HD enhances images to have them in the best definition and allows users to carry out multiple functions such as connecting with Google Maps and sending emails just by tapping on the collected information from business cards.

Additionally, users can share or backup their contacts quickly and conveniently through Mail and File Sharing. WorldCard HD is a great tool for anyone looking to streamline their business card management and improve their contact organization. However, it's important to note that some features are limited before purchasing the paid version, such as only being able to save 50 cards in the card holder and not being able to export contacts to vCard/csv files.

Overall, WorldCard HD is an intuitive and efficient app that transforms your Android tablet into an intelligent Customer Relationship Manager.