This app has been very helpful with its functionality of having your phone turned into pseudo scanner. And the good thing is you dont have to pay for it – its free!
You can use it anywhere – at school like having your white board discussion documented or just to have a copy, have your reciepts documented, in my case I used it to send documents to my future employers.
It's so easy to use. Capture the document, crop and your phone will do the enhancement of the image. Click here to have in your android phone or scan the QR code below.