This is the logo of <i><a href="https://en.wikipedia.org/wiki/List_of_DS:Style_products" class="extiw" title="en:List of DS:Style products">DS:Style</a></i>, a series of <a href="https://en.wikipedia.org/wiki/educational_game" class="extiw" title="en:educational game">educational games</a> published by <a href="https://en.wikipedia.org/wiki/Square_Enix" class="extiw" title="en:Square Enix">Square Enix</a> for the <a href="https://en.wikipedia.org/wiki/Nintendo_DS" class="extiw" title="en:Nintendo DS">Nintendo DS</a>.
Square Enix Co., Ltd.
<a rel="nofollow" class="external autonumber" href="http://www.square-enix.co.jp/dsstyle/">[1]</a>