I think about this app that it is very good app as I install it asked my name then provide me to choose my class and then the subject and I choose then the chapter related video is shown.The best think of this app is that it asked question at the last of video. This app also help to learn the english as the video is in english language .I also provide the latest question related to the chapter. I like the concept of this app and it also increase e-learing facility .