Create 3D product animation video of app

Hi, I have spent $243,000 on UpWork and I am easy to work with because I am a consultant myself. Check out how other people rate me on this platform. I need a 3d artist to look at my app and make B roll videos for it. I want a supply of B roll videos that just shows what the app looks like and what it does that I can give to Youtubers. They will include the clips they like in sponsored videos. The best solution is not just screen recordings, but rebuilding the key interface screens as layered 3D scenes. I then need you to use camera angles, depth, zooms, transitions, and visual effects so the app feels more like a polished app promo, not a flat browser recording.