After some hard work, the next major Pocket Sudoku release has been completed: 0.8

Pocket Sudoku is the definite sudoku application for Pocket PC (Windows Mobile). It's currently capable of generating sudoku puzzles using five different difficuties, solving any valid puzzle, show automatic and manual pencil marks, hint you when you've got stuck, and much more...

Some of the new features in the 0.8 release:

• Hints - Get help when you've got stuck
• ClearType detection - No more problems with dirty graphics
• Toolbar - The user interface has been revamped and is now more appealing. The undo, redo and hint features are available from the toolbar
• Harder levels - Bugfixes, don't you just love 'em?! One of the bugs that have been fixed makes the hard and very hard levels even harder! The application can now solve harder puzzles as well.

Demonstrating one of the new features in 0.8

Edit: Forgot to link...
Download it at http://pocketsudoku.sf.net