Inkflow 3.0 adds an amazing new feature to the vector-based sketching app: InkPort. Inkport lets you import your paper sketches from the real world and turn them into editable vector art, just using the iPad’s camera.

Leading this week’s must-have apps roundup is a terrific photography app called StillShot, which allows you to extract full-resolution still images from your videos. It breaks your clips down into frames and allows you to save the best ones — all for less then a dollar.

We’ve also got a great note-taking app that claims to be the “word-processor for visual thinking,” an app that will ensure you never forget your grocery shopping list again, plus terrific updates to Flipboard and The Weather Channel.

Inkflow is a new handwriting and drawing app for the iPad and iPhone, and it has one standout feature: you can select, move and resize anything on the page.