An interesting approach, taking a photo of your sketch and using it in your wireframing/prototyping tool. I wonder what happens if you need a full-blown spec. I’m afraid it’s not really scalable.
Sketching is a critical part of the User Experience Design process. Sketching allows us to explore ideas and iterate on concepts quickly and easily before creating detailed mockups. Below is a roundup of many different sketching articles, tools, templates, presentations, videos, books, and examples to help User Experience Designers learn more about sketching and how it benefits UX design.