Adobe Scan turns your smartphone into a good quality scanner with the ability to combine several photos of documents into a single PDF and text recognition (OCR). The application will handle receipts, business cards, notes, photos and even boards.
Adobe Scan allows you to take photos of documents or boards. When cropping, it automatically detects paper boundaries and perspective, and once you’ve set the right angle and lighting can take pictures automatically. You can also open previously taken photos of documents. Simple SI will find them automatically in the gallery.