Maybe...

This is an amazing app. Few things that I think would make it even better:
1. make it easier to get the corners without having to drag you finger across.
2. Have the option to zoom in.
3. Have the option to edit the photo. (Filters, lighting, text, ex.)
4. Add some 3D objects. (But also have the option to edit them).
Hopefully you take a look at this... It might be very helpful. I extremely recommend this app

Its Jose :p about Trimaginator Photo Editor