Just so you are aware, whether it be a request, suggestion, or 'demand' they will be treated in the same manner as every other suggestion. Not all suggestions will make the cut, and would depend on whether or not they fit in with what makes sense at the time of development.
I have to admit to being a little confused by this
Surely if such an app was being developed to show exif data that currently doesnt exist, then that capture would be part of the 3rd party application