When you hold the photo printed on the invitation or the seating order list with a profile on your smartphone using the dedicated viewing app,You can watch the printed photos as a video.* Please install the viewing application "Catch The Message" separately for viewing.* The video viewing period is from the wedding date to half a year.======================================*how to use ======================================how to use1) Start "Message Maker".2) Select the card to create3) Select a video.4) Select a design.5) Edit the design.6) Complete the application.======================================Supported platforms======================================Android 7.0 and above