visuamall SMART CATALOG (hereafter “SMART CATALOG”) is a service which enables users to create multimedia content and distribute it to Android tablet. Multimedia content allows to add video and music on existing product catalog or proposal materials. By converting existing catalog to PDF format, users can simply drag and drop files such as video, still photo, music, or website link to the PDF file and create multimedia content without any expensive software or high skill. This multimedia content can effectively communicate attractiveness and characteristics of service and product, and provides opportunity for appealing proposal at the business occasions which is not always possible through paper media.