Follow these steps to edit an image:
Click on the PHOTOS on the top bar to reach your saved images in CrazyLister
Hover your mouse over the image you want to edit and click on the small pencil icon to edit where a new window will appear:
Select the Orientation option and chose clockwise or counter-clockwise rotation. You can also mirror your image vertically or horizontally.
When you're happy with your image, click on Apply. This will bring you back to the main menu where you can either continue editing with other tools or click Save to save your work to your gallery.