Apps by Kiyoshi Koike
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BlackBoard-simple-
Productivity
3.50
(4)
Free
Released Feb 2014
· updated Jul 2026
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Hiragana Katakana Writing
Education
1.00
(3)
Free
Released Apr 2013
· updated Aug 2026
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white note
Productivity
3.50
(2)
Free
IAP?
Released Mar 2015
· updated Mar 2024
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Hiragana Exercise books
Education
2.00
(1)
Free
IAP?
Released Apr 2012
· updated Jul 2026
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Handwritten notes
Productivity
1.00
(1)
$0.99
IAP?
Released May 2012
· updated Jul 2023
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Alphabet practice book
Education
5.00
(1)
Free
Released May 2012
· updated Aug 2017
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Thai exercise books
Education
Free
Released May 2014
· updated Feb 2023
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Grade 10 exercise books Japan Kanji Proficiency
Education
Free
IAP?
Released Jan 2015
· updated Jan 2015
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Grade 9 exercise books Japan Kanji Proficiency
Education
Free
IAP?
Released Jan 2015
· updated Feb 2017
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Katakana practice free
Education
Free
IAP?
Released Oct 2014
· updated Jul 2026