Sayhi English is an Android app developed by 깨비키즈 that offers a systematic English learning program for children. With a variety of content including songs, chants, lessons, evaluation games, stories, and picture dictionaries, this app is designed to help kids improve their English skills in a fun and engaging way.

The program is divided into three levels and ten steps, allowing for structured learning. Each level offers different content suited to the child's proficiency. The app provides monthly updates, adding one step at a time, ensuring that kids have new material to explore and learn from.

One of the highlights of Sayhi English is its focus on vocabulary expansion. Through word association and repetition tests, children can reinforce their learning and expand their vocabulary. The app also requires permission to access storage for saving video content.

Overall, Sayhi English is a comprehensive English learning program that offers a wide range of engaging content for kids. With its systematic approach and regular updates, it provides an effective and enjoyable learning experience.