Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
4.5シンプルで簡単なピアノアプリ 様々な音源を使って演奏する事ができます 鍵盤の拡大・縮小ができるので、自分の押しやすいサイズで遊べます
