自然拼读 Phonics 1 - letter sound is an educational program designed for children aged 3 to 8 years old. Developed by Shanghai Zhen Yuan Information Technology Co.Ltd., this iPhone app aims to help children learn phonics and letter sounds in a fun and engaging way.

The program recognizes the importance of language learning as not just memorizing words and sentences, but also understanding different cultures and broadening one's perspective. It integrates concepts from linguistics, early childhood education, and developmental psychology to provide a comprehensive language learning experience.

With a focus on the English language, 自然拼读 Phonics 1 - letter sound offers a curriculum based on the ESL system and incorporates positive psychology principles from East China Normal University. The app combines mobile internet technology and artificial intelligence to create an interactive and personalized learning environment for young learners.

By fostering a habit of continuous learning and perseverance, the program aims to help children develop a global perspective and become well-rounded individuals. Through engaging activities and a comprehensive curriculum, 自然拼读 Phonics 1 - letter sound strives to instill a love for learning and a curiosity about the world in young children.