Worldwide Kids 活用NAVI is a free Android app developed by Benesse Corporation, which provides the latest information for Worldwide Kids members. It allows parents to book workshops and online lessons, as well as check details about educational materials, such as the Japanese translation of DVDs. The app also offers useful information and content to help kids learn English effectively and provides guidance on how to use Worldwide Kids' materials.

To use the app, you need to log in with information issued when you signed up for Worldwide Kids or other Benesse services. It is important to note that the app requires a Worldwide Kids membership and is only available for children until they start elementary school. For optimal performance, it is recommended to use the app with a WiFi connection. If you use the app with a 3G network, it is strongly recommended to use a flat-rate service.