Tech it easy! 4 is an i-book application developed by Super Course ELT Publishing for Android devices. It is a free educational and reference app that offers a fun and engaging way to learn English. The app, designed for D Senior level students, covers all language skills, including reading, writing, listening, and speaking.

The app's user-friendly interface features interesting texts, attractive illustrations, and a wide range of entertaining exercises. Tech it easy! 4 also includes an interactive software that contains all the material covered in the series, making it easier for students to study independently. The i-book has an automatic assessment system that corrects exercises automatically, allowing students to track their progress and even send their grades to their teachers.

Moreover, Tech it easy! 4 includes several features that enhance the learning experience, such as vocabulary lists, grammar videos, reading texts with audios, and reading videos. The app also offers an augmented reality experience that brings the coursebook cover to life. With Tech it easy! 4, learning English is not only easy but also fun and exciting.