There are a few apps that seems to act like document scanners? How do they work? Is it more than a lot of posprocessing of one shot? Are they actually "scanning" or utilizing more several shots? ...
I'm using my Android device to scan receipts for warranty receipts, or for expensive stuffs. I'm uploading the receipts to Google Drive which works well, except that it's a long process to scanning ...
I dont know whether my question is right to ask here. please advise me if I need to ask this kind of question at other areas. I am investigating to find a right portable scanner to connect with an ...