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.
User reviews affect conversion to installs and app rating. Featured and helpful reviews are the first to be noticed by users and in case of no response can affect download rate.
If you are learning Japanese but you don't know how to read the Japanese Kanji,You can enter Japanese Kanji in the Application by Chinese-Traditional Handwriting keyboard, then get the hiragana. Please add Chinese-Traditional Handwriting keyboard first. (iOS's settings APP ->General -> Keyboard -> Chinese-Traditional) http://gokeijapan.jp/app/hiragana_help_en.html