Here's how to crop your footage already in the StoryBox app
To do this, go to a recorded scene.
You can recognize it by the check mark in the preview image.
Tap Trim in the scene screen
In the lower part of the screen, the entire recording is now displayed in a yellow frame.
To crop the image, you can move the frame from the left or right to the center to cut off the area that you do not want in the image.
The existing recording is played back directly for checking.
Adjustments can be made continuously until you like the shot.
Confirm your selection afterwards: