Photo must be in .PNG format and have transparent areas in order to work. Aspect Ratio is important and you should use 3:4 (portrait) or 4:3 (landscape) ratio for best results.

Aspect Ratio Calculator can help you see the aspect ratio when resizing an image.

Tips:

• It is recommended to make the AR layer easy to understand how to hold the phone when taking pictures. A text, person, or other object can help indicate where the top edge of the image is.
• It is also recommended to have the screen rotation lock On.