Sudoku 2019 description

With 4 difficulty levels, intuitive interface, and all the functions right at your fingertips, this Sudoku app is sure to be your favorite.

FEATURES:
- four different difficulties
- hundreds of puzzles for each difficulty
- auto-save your progress for each puzzle
- unlimited undo/redo
- hint system for beginners
- clean interface and smooth controls
- phones and tablets support