You can apply processing to leave only the contours of the photo selected by the camera and the photo selected from the photo library.
Easy operation makes easy-to-use images with contour emphasis like paintings.
Please use it when you want to change the atmosphere of the photo.

Step is shown below

1. Please take a photograph in the "Camera" tab or select a photo in the upper left folder icon.
2. Please edit the intensity of black and white balance to move the slide bar in the "Processing" tab.
3. Please select the "save" button.
※You can show or hide the slide bar if you tap the device in "Processing" tab.

Please look at support URL for details.
Thank you.