Vesrion 2.1 is a major update. Added auto fill, warnings, auto clean, and undo options. You can create your own board and solve in this version. Introducing 'the smart number pad' in this version. Using the smart number pad you can set a number or note down more than one number in any empty cell. No pencil, pen or eraser modes - everything can be handled by the smart number pad. Sudoku Slice is a logic based puzzle. The objective is to fill a 9x9 grid with digits (1 to 9) so that each column, each row, and each of the nine3x3 sub-grids that compose the grid (also called "boxes", "blocks", "regions", or "sub-squares") contains all of the digits from 1 to 9.' You can choose an easy (1) level or a hard (6) level. You can enter numbers by touching the blank squares. The number of blank squares depends on the level you choose.

Smart Sudoku screenshots: