GPSDialogCamera is a camera app. When you take a photo, this app shows a dialog box asking whether you want to embed GPS data into the metadata of the photo.
This free version cannot edit settings which GPS data to embed and what compression rate to save with. But the premium version can.
WARNING: DEVICES WITHOUT CAMERAS OR GPS SUCH AS IPOD TOUCH DOES NOT LET THIS APP WORK CORRECTLY. YOU SHOULD NOT DOWNLOAD THIS APP FOR SUCH DEVICES.