This app offers :

 Whiting Background for passport photo and changed background to white background for following photos of : [“background”, “aeroplane”, “bicycle”, “bird”, “boat”, “bottle”, “bus”, “car”, “cat”, “chair”, “cow”, “diningTable”, “dog”, “horse”, “motorbike”, “person”, “pottedPlant”, “sheep”, “sofa”, “train”, “tvOrMonitor”]