In our modern lifes nowsaday, a smartphone become a popular device with each people because as the benfits on it. Firstly, smartphone is used for communicating. We can make phone calls, send and receive messages as a normal phones. Secondly, it helps us to entertain easily. We ca do many things such as listen to music, play games even watch movies. Finally, with a smartphone connected to the Internet, we will be able to access to many kinds of information. We can surf the Web, use maps to look for places and learn online classes with electronic payments. In short, a smartphone have speajically changed our lives due to it's versatility.