From Apple
Guideline 2.3.4 - Performance - Accurate Metadata


Your app previews include content that does not sufficiently reflect the app in use. Specifically, your previews:

- Include device images and/or device frams.
- Include a self-promotional ad.
- Display a narrator.

Next Steps

To resolve this issue, please revise your app previews to only use video screen captures of the app, narration, and textual and design overlays.

Resources

For resources on creating great app previews, you may want to review the App Previews page. For more general information on how to make the most of your app's App Store product page, please see the App Store Product Page information available on the Apple Developer website.

Please see attached screenshots for details.

Since your App Store Connect status is Metadata Rejected, we do NOT require a new binary. To revise the metadata, visit App Store Connect to select your app and revise the desired metadata values. Once you’ve completed all changes, reply to this message in Resolution Center and we will continue the review.