A course in, a ~20-second vertical Reel out. The engine reads a course data file, picks the best scenes & images, and cuts a kinetic 9:16 trailer ending on your credential card.
MP4 export? The trailer is a live, loopable, screen-recordable web animation — hit Play and screen-record the phone. True MP4 capture is a server-side ffmpeg/puppeteer step (not feasible framework-free in the browser). The “Storyboard” gives you a printable shot list.