Is it possible to learn a new language without moving from your home (?!) ,
Yes, it is possible. You have 4 images, the person say the sentence and then you click on the image you think represent the sentence you heard. This way you make association between 1: the sound you heard with 2: The image you see 3: and the text you read. If your answer is OK you go to the next series of picture if it's wrong you stay on the same screen till you find the correct answer (3 more choices).
".. adopted by government agencies and corporations—including the U.S. State Department, Deutsche Telekom, and Lockheed Martin—and thousands of schools and universities around the world.. "