■ Advantage
ㆍWorld's first one-hand Sudoku
ㆍControl with only one hand in a bus or even on the bed.
ㆍUnlimited stages are provided by sudoku generating algorithm in 9x9 size!
ㆍ4 levels of difficulty, perfectly balanced from easy to expert.
ㆍTake notes of candidate numbers in note mode and use hints when stuck!
ㆍIf you make a mistake, you can use unlimited Undo to cancel!
ㆍSimple and intuitive design, clean layout.
ㆍAutomatic error check function, automatic memo removal when entering numbers.
ㆍRecordable measurement in timer mode.

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