Ryota Ogiwara

Latest Release

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  Flash Anzan & Memory: Pikapara

  Mental math for kids & adults

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iPad & iPhone

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  Flash Anzan & Memory: Pikapara

  Mental math for kids & adults

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  Pano Hunt: 360° Hidden Objects

  Find it — or call it missing

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  shikakuLog: Cert & Exam Log

  License renewals & study time

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