This App Is NOT A Photo Editing Suite. Do You Wish You Could Check Your Photo Negatives But Don't Have A Window Nearby? Turn Your Android Device Into A Handy Lightbox For Easily Viewing Slides, Photo Negatives and X-Rays. Great For Checking Your 120/220/620 Lomography Negatives. A Fully Customizable Color Light Means You Can Also Use It For Light Painting.