Auto Highlights is one of Google’s updates to Google+. This is a tool that will essentially sift through your photos to pick which ones to highlight while weeding out others, such as photos that are blurry, duplicates or underexposed. If you are at a recognizable landmark, Auto Highlights will determine that and include an image of it within your album.
Next, Auto Enhance will improve the colors in photos and give them a professionally edited look. It will remove red-eye and even touch up skin to get rid of blemishes and wrinkles.
Finally, Auto Awesome can generate new photos by going through a series of group images and creating one where everyone is smiling or by merging multiple images into a panorama shot.