In practice, however, the story’s a bit different. While it's true that Gallery KK offers many image-editing filters for your photos, the increased gallery viewing speed is debatable. What you will notice, however, is a more fluid and elegant transition between screens.
Gallery KK is an alternative gallery for Android that has just as many positive points as it does negative. On one hand, it offers more filters than the default gallery as well as better transitions, but on the other it does include ads. Fortunately, the ads aren't that intrusive.