■■■To all users■■■​ No Wi-Fi router required! If you're going overseas, use au overseas unlimited! This is an app that allows you to use the ``au Overseas Unlimited'' service overseas at a great value, easily, and with peace of mind. By using this app, you can use the internet in over 160 countries and regions just like in Japan using just your regular smartphone. Additionally, if you use this app to pre-book the ``au Overseas Unlimited'' service in Japan, you can use it at a great price. It mainly provides the following functions: ・Function to pre-book “au overseas unlimited” in Japan ・Function to check the remaining time on the course and start using the service after arriving overseas ・Guide on how to use "au unlimited overseas" ・Display Ministry of Foreign Affairs safety information and useful information for your destination Please check the following notes. ・Available for customers using au/UQ mobile/povo1.0 smartphones/tablets. ・Customers using povo2.0 cannot use "au Overseas Unlimited Service" even if they reserve it using this app. You can use data communication overseas by purchasing the overseas data topping of the povo2.0 app.