The app have 3 function: learning lesson, do testing and play game.
Every lessons are covered in specific topics. And now it has 60 topics ( i will update more soon).
This app support for android from version 2.1.
Hope that everybody try to use it and give me your comment, so i can fix and make my app better and get more experience.
Link google play : https://play.google.com/store/apps/details?id=com.learning
Or you can search my nick name : daicadui (because it is news so it is difficult to search by app's name ) .