The APP V1 have 12 listening lesson sets, 300 sentences and four accent of American English. This is very interesting English listening practice. And you simply just listen to it and answer all the questions. You listen it again and again and again each day. And each day your listening improves, your vocabulary improves, your grammar improves and eventually your spoken improves too. This is real english. It is not textbook english. Training in English listening 10 minutes each day. As long as a month's time, will significantly improve your English listening level.