Translation of desatascador

I will usually use the most usual sense of the term, and not the more sophisticated ones and I think you will understand what I wanted to say. In any case we should review all words every two days or so.
Flying straight from Geneva to New York that does not exist, you must change planes in Zurich. You can also take a 3 hour train ride and then a connection to the airport with a local shuttle.
When I wanted to do my homework, I accidentally landed on Vocabulix and it caught me right from the beginning. Connecting with other users can be brilliant. Skyping with them, chatting and messaging. Great idea.