Phone camera pics of receipts are still a valid use-case. Specially for company expenses, as you are probably on the go on those occasions. In most cases we will submit those phone pictures to Concour or similar tool the company uses. So a use-case that allows one to snap a pic of the receipt and do not care anymore about the hardcopy is welcome.
There should be no need to depend on third-party tools or other apps.
Adding intelligent cropping, skew correction and contrast adjustment on the capture process (in app) drastically improves the quality and readability of those documents. Adding OCR on top of this to extract adicional metadata and it would be extra-awome. But this one might be tricky to do right, as receipt formats are not standard… 