Sudoku HD is for everyone from beginner to expert.
Super Hint System to help learn to play.

The advanced help system allows you to highlight rows , columns and block for the selected square.
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Auto Note feature, save you time entering the notes for each square. The advanced note feature also keeps the notes updated when numbers are entered.
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Unlimited FREE Puzzles for you to play always.
Save and resume many games at the same time.
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Features:
. Daily Game
. A large board which is very easy to use and see.
. Pencil mode to add notes.
. Check for mistakes.
. Superb hint system.
. Auto Note Feature.

Enough for any Sudoku fan.