Sudokool lets take a picture of a sudoku puzzle and transfer it to your phone. Sudokool assumes you already know how to solve sudoku puzzles and does not provide any hints or or other advice. It does not tell you if your value is incorrect except where you have entered an illegal value. It includes methods to mark candidates and highlight cells of interest.

- Swipe left or right to highlight the current row.
- Swipe up or down to highlight the current column.
- Swipe at an angle to highlight the current section.
- Touch and hold to highlight the current cell.
- Add cell candidates
- Find eligible cells for desired value.
- Save and recall games.
- Transfer pictures of sudoku puzzles from your phone to SudoKool