I don't know how to use the manual mode. Neither does anyone else, probability including the author; but in auto-mode, this app does a magnificent job of sharpening. I don't know what algorithm it uses but it out performs all the high-end Android photo apps, and believe me, I've bought all the paid ones and installed the free ones.
This app helped me read text of a blured photo I took. Not perfectly, but just enough to make out most of what it read. The resulting image was still a bad image but it was a little better than before,
Great app, works well. It became even faster and easy to use after update
If I could give -200 stars I would... I This does not work!!!!
Just waste my money.... Its just adjust the contrast
Did not work!
* Improved speed and stability
Insta Square snappic effect for Instagram, No crop snap photo Collage Maker, PIP