"يلا نتعلم انجليزي الصف الرابع" is an Android application developed by Mohamed Aly El-Sayed, aimed at elementary school students who want to learn English. This app provides a comprehensive explanation of the English curriculum for fourth-grade students, along with simplified explanations and questions to help them understand the subject better.

The app is designed to make learning English fun and easy for kids. It is completely free and does not contain any in-app purchases or ads, making it an excellent educational resource for parents and teachers alike. With its user-friendly interface, students can easily navigate through the app and find the information they need to improve their English skills.