Once you have imported an image, you can crop it with these steps:
1. Choose the Image tool and tap on the image. Alternatively, long-press on the image and select Edit.
2. Tap the image again and select Crop.
3. If choosing Rectangle at the bottom, drag one or more of the handles to adjust the cropping. If choosing Freehand, you can freely draw contours to crop the image.
4. Tap Done.