Approximately 10 years ago, I played with an Android app that takes the camera video input, looks for a Sudoku puzzle and then solves it. (AR Sudoku solver) De

Approximately 10 years ago, I played with an Android app that takes the camera video input, looks for a Sudoku puzzle and then solves it. (AR Sudoku solver) Detecting a QR code in real time should be possible on all devices by now...