Sudoku (com.greenstream.sudoku) on Google Play
A simple and nice looking holostyled Sudoku app! All the Sudoku you'll ever need!* 3 levels - easy, medium and hard* Input methods - cell first or digit first* Notes* Time played* Last played* Undo/Redo* Highlight row and column (can be turned off)* Highlight wrong numbers (can be turned off)* Show number count (can be turned off)* Auto-save* Reset game* Clear all notes