Blackboard! -Nostalgic blackboard simulator-

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This new version(2.0) is required iOS 5.0 or later.
If you use on iOS 4.3.3 or earlier, you must not update.
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It is possible to scribble on the blackboard.
in japan, we call the blackboard, "kokuban".

External display support.
Preservation and reading.
Five color chalk!
The rafel is dirty!
It is not possible to erase it well!
The rafel is made beautiful!