Company Yuichi Kadokura (角倉 優一) created these great apps:
あほワールド, Study Japanese Hiragana, Study Japanese Hiragana Free, Study Japanese Katakana, Study Japanese Katakana Free, StudyColorHD, StudyColorHDFree, StudyColor, StudyColorFree, Study Clock Japanese, Study Clock Japanese Free, StudyCalcJapanese, Gunmachan, Study Kanji Third grade, Fukkachan, Obenkyo, and others..
