Highly-customizable Sudoku game with multiple game play features

Features

* Fully-working demo version

* Millions of puzzles

* Fast generator/solver

* Four difficulties

* Custom and empty puzzle mode

* New game by puzzle ID

* Five modes of input

* Graffiti, keyboard and 5-way navigator support

* Detailed statistics

* Game information

* Save/Load game

* Import/export game

* Freeze/defrost puzzle

* Unlimited hints

* Game timer

* Unlimited undo/redo

* Sound support

* Check puzzle

* Solve puzzle

* Restart puzzle

* Small and large pencil marks

* Fill valid pencil marks option

* Fill all pencil marks option

* Clear all pencil marks option

* Left-handed layout

* Auto-resume last game

* Customizable tool bar

* Flag mistakes option

* Allow only valid entries option

* Auto-update pencil marks option

* Fully-customizable game colors and fonts

* Support for 320x480 and 480x320 devices

* External memory support