To build software that "fast-tracks" English learning, you need a unique intersection of three fields: Computer Science (the engine), Human-Computer Interaction (the interface), and Learning Sciences/Linguistics (the pedagogical soul).
The following curriculum mirrors the tracks at institutions like Harvard, MIT, Stanford, and Oxford.
Phase 1: Computational Thinking & Foundations
Goal: Learn how to "think" like a computer and understand the machine from the ground up.
Primary Course: Harvard CS50: Introduction to Computer Science…