One of the amazing camera effects of Galaxy S3 is the Blue Point. When this effect is enabled, it only captures the color of Blue objects and other objects are captured in Black and White.
Follow the instruction to capture some artistic shots with your Galaxy S3
1. Open Camera
2. Tap the Gear Icon and then tap Effects
3. In the list of available effects, double tap Blue Point
4. Now face the camera to a blue object and see what this effect is doing
Note that this effect is also available for Green, and Red-Yellow colors