Company Junichiro Kozuma created these great apps:
BandYaro!, MathMagicMasterLite, MathMagicMaster, MathMagicJunior, MathMagicJuniorLite, NihonsiNengoLite, JapanNengoMaster, MathMagicMaster2, MathMagicMaster2Lite, ChugakuHistory2, ChugakuRekishi1, FlickYomiMaster, FlickYomiMasterLite, ChugakuChiri1, ChugakuChiri2, JukenShakai5A, JukenShakai5B, KokoNihonshi1, JukenShakai6A, KokoNihonshi2, KanjiJun2Class, ChugakuKomin, Kanji2Class, KokoNihonshi3, NinjaMathMaster, ４択中学歴史１, ４択中学歴史２, NinjaMathMasterLite, 中学歴史徹底ワークLite, 中学地理徹底ワークLite, 中学公民徹底ワークLite, 中学受験社会徹底ワークLite, ４択中学歴史Lite, 漢字準２級徹底ワークFree, 漢字２級徹底ワークFree, MathMagicJunior2G, NihonshiNengoMaster2G, MathMagicJuniorL, and others..
