
To use the app, learners must first download it from Google Play/App Store so they could run the app on their Moreover, all 50 languages can be learned through each other since the app simply changes the place of L10184.pdf. Jamieson. Free App: "Learn 50 Languages" needs a data connection to download lessons. A PDF file compares Lessons from Lang1234, 50Languages, Pronunciator. pdf. Google Scholar. Cysouw, 2004b: Cysouw, M., 2004b. Minimal systems of interrogative words. Workshop on questions, Max Planck.