Reallyenglish is an Android app that has been designed to help students learn English on the go. It is the official app for students offered by Reallyenglish, and it is widely used by companies and universities across Japan. The app is a great tool for those who want to study English while traveling by train or on the move in general.

One of the best features of Reallyenglish is that it allows you to study offline. This is particularly useful for those who don't always have access to the internet. Additionally, the app automatically synchronizes your learning history between your PC and mobile, so you can pick up where you left off, regardless of which device you are using.