AI for Becoming Fluent: Designing an App for Advanced Bilingual Speakers. - Cecilia Delgado Solorzano; Sara Mendoza; Fernando Morales-Flores; Jesus Martinez-Garcia; Néstor E. Briones-Ramirez; Emmanuel A. Zarazua-Rubio; Ventura Rivera-Robles; Asis H. Rangel-Ortiz; Carlos Toxtli (CAI, 2025)