What is Tracing? - Tracing is used to transfer an image into line work from a photo or artwork. You place your tracing paper over it and draw the lines that you see. So, Trace it & Sketch it. - Using this app you can learn drawing or tracing. - So how does it works? - Select an image from the gallery or capture an image with a camera then just apply the filter. After that, you will see that image on the camera screen with transparency & you have to put drawing paper or book anything on which y