1. Select a photo.
2. Tap “edit” button.
3. Tap “rotate & crop” button.
4. Drag the circle dotted line to the crop image.
5. Drag and rotate the image.
6. Tap “Done” button.
7. Tap ”ok” button.
8. Tap “SAVE A COPY” button.
9. The edited photo has been saved in your local gallery in Pi SOLO app.
(2017-11-14)
Or watch tutorial video https://youtu.be/GE4zVXoEDg8