okay, so in this tutorial i'll be showing you how to make a shadow in your photo.
apps needed; superimpose, phonto.
you'll need to get your png, my png is of rowan blanchard.
you'll need to open up superimpose and put your background. then click the button you used to put a background, but click import foreground, which will be your png.
then click transform and move the png to where you want it to be.
DO NOT CLICK MERGE YET!
after that, click filter, which is in the bottom right.
when you're in filter, click the settings bar that is in the top right corner.
this should be your screen
don't do anything to brightness and contrast, just bring exposure all the way down.
then go back to transform and merge.
after that, go to import a foreground again.
import the png and place it where you want it to be.
when you're finished, save the phot then go to phonto.
add your book covers name, and it should look something like this;