Samsung Galaxy S6 User Manual page 187

4. Adjust your picture with these tools:

Adjustment: straighten and freely rotate your picture.

Tone: Adjust the brightness, contrast, saturation, temperature, and hue of the picture.

Effect: Add color effects to your picture.

Portrait. Enhance facial features of portraits.
Collage
Create a photo collage with your pictures.
1. From home, tap Apps
 The Gallery app opens.
Camera and Video
> Gallery .
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