UI Tutorial for Beginners

This application ​is an essential UI tutorial for those who have never used Android and unfamiliar with the touch UI with supporting 2 languages: English and Korean. Besides, it shows the simulation videos and allows users to simulate by themselves on this application and checks whether they are correct, or not. These are much better than just describing the ways via only words. I picked up top 5 difficulties for them based on my experience when watching the way to learn Android of the my grandma, my parents and other novices. 마지막으로, 할머니와 할머니 친구분들, 그리고 pearl께:)