You could actually build this really quickly. - Create a site where people can manually upload phone videos of them reading a story to their child. - Store it

You could actually build this really quickly. - Create a site where people can manually upload phone videos of them reading a story to their child. - Store it in S3 or Glacier - Have a request access section - basically a contact me form. You will anyways need to verify the individual, so this part can be completely manual. Why not give it a shot?