Is this a good idea I'm making this primarily for non english speakers and immigrants , i will not promote

Why is there no Duolingo for real-world conversations? Most language apps teach grammar and vocabulary. But they don't prepare you for actual conversations. You can complete hundreds of lessons and still struggle in a job interview, networking event, sales call, first day at work, or casual conversation with native speakers. I'm building an AI speech coach for non-native English speakers that simulates real social situations. Instead of repeating random phrases, users practice conversations in realistic sce