Your front (selfie) camera includes a beautification filter that you can use to apply these effects:

Swipe down from the top of the screen, then:


Tap 
Apply a Google filter before you capture a photo.

You can take a black and white photo with spot color.

Keep the subject of your photo in focus and blur the surrounding scene as little or much as you like.

Press a Volume button. Or, use another capture method.

Take a photo with the background removed, then edit it to add a new one.

Tap 