Samsung Galaxy S5 User Manual page 138

Tag Buddy
Tag buddy automatically tags your photos and videos with the date
and time it was taken, and optionally adds the location it was taken,
if Location services are enabled (for more information, see "Location
Settings" on page 180).
You can view these tags by tapping More options > More info while
viewing the photo or video.
To enable Tag buddy:
1. From a Home screen, tap Apps > Gallery.
2. Tap More options > Settings > Tag buddy.
3. Tap On/Off to turn the feature on.
Applications 126 Gallery