Attitude on the phone in the medium that is used to translate or calculators because teens need help in learning to use tools such as the English translation of unknown meaning. Using calculations in a number of places off the roots and can not be considered to reduce working time to a certain degree. Another minor issue is that the phone has a stylish design and shape today because the phone is designed with many new models come out, the design of which is dependent on the satisfaction of those who use it. The second option is to use the phone to store important files because teens need to collect information about the class. Important data can be stored next to it. The second is to use the phone as a fashion and advertising value because the current phone with thousands of advertising in various media. The most teens will follow the trend. And values in the selected cell. The second one is the use of the phone with your approach or discounted because of the integration is that you buy a phone, we decided to make that discount rates are another factor is. We save the cost of buying the phone that we need.