Wonderland LIBRARY APP is a free lifestyle Android application developed by SEGA CORPORATION. It is designed to enhance the experience of the 4vs4 strategy action arcade game "Wonderland Wars" by providing players with additional support features.

With this app, players can easily check their game records on Wonder.NET and download their replay videos. The app also offers a push notification feature that keeps players up-to-date with the latest information about "Wonderland Wars".

Overall, Wonderland LIBRARY APP is a useful tool for avid "Wonderland Wars" players who want to stay on top of their game and get the most out of their gaming experience.