With the Sudoku app you can play the famous logic puzzle, free and in English.Characteristics• 4 levels of difficulty: easy, normal, difficult and expert• Ability to take notes• Ability to enable automatic verification• Numeric keys are grayed out if a number is used 9 times• Highlight the selected row, column, and block• Highlight all fields that have the same valueMore features:• Automatic backup and loading of Sudoku• Fully playable offline• Optimized for smartphones and tablets• Simple and intuitive design