Sudoku Grab, an app that lets you grab sudoku boards through the iPhone’s camera for later use or immediate solving just got a major update.

Thanks to Apple allowing access to the screen grabbing function, Chris Greening, its developer, managed to power-up his app with some augmented reality.

What it does is detect a sudoku board, recognize the numbers on it and then overlays the answer. It’s hard to make it work correctly, must be my latent Parkinson, but still, it’s quite impressive and definitely an incredibly smart app.

Check it out: