Are you learning English with Green Line from Klett? Then be sure to get the Green Line vocabulary trainer on your phone. With this app you can train your vocabulary anywhere - even completely offline. Thanks to its scientifically based 7-step model, you learn your vocabulary bit by bit and over a longer period of time until it is guaranteed to stick in your memory. The app uses an intelligent algorithm to automatically remind you when vocabulary is ready to be repeated. The training is clearly