Camscanner will snap a picture of a printed document and turn it into a digital document. The Camscanner app will remove the background and keep only your document. It uses OCR technology to recognize text and convert it to an editable format. It will also translate text into 40 different languages. Camscanners app syncs up across all of your devices so you always have access to your documents.
This looks like a very useful tool for capturing old worksheets to assign them digitally or to capture student work for submission.