A free app for Android, by Photomyne LTD.
SlideScan is a free photo-scanning app that can turn your smartphone into a smart, portable scanner. Just open the app, point the camera at the slide, and it will do the rest.
How does it work?
This uses a special algorithm to scan and recognize the images on the slide. It can even crop and rotate the images to make them easier to view.
If you want to take more photos, you can purchase an optional paid plan.
You can also save your slides in the app itself, so you can go back to them later.
It’s a free app, but it does have some in-app purchases.