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  DC Sim

  for iPhone: Learning electric circuits

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  antiJam

  for iPhone: The strategic Fruit game

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  Kid's Sudoku, level 1

  for iPhone: 100 very easy Sudokus

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  Sudoku Collection, level 2

  for iPhone: 100 fairly easy Sudokus

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  Focus Sudukos, level 3

  for iPhone: 66 rather challenging Sudokus

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  Deep Thought Sudukos, level 4

  for iPhone: 33 extremely challenging Sudokus

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  Sudoku Mix, mixed levels

  for iPhone: 8 Sudukus, 4 levels of difficulty

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  aliasing

  for iPhone: Better understanding of sound