Can you live without a cell phone?

Japan is one of the countries where the cell phone has been highly developed. Although there are so many kind of cell phones in US or in Europe, It is rare to find such a cell phone that has a ton of functions. The cell phone made in Japan has function of a call signal with melodies or songs called Cyaku-uta. Cyaku uta is an advanced signal which turned songs of good sound quality into a ring.

Japan is one of the countries where the cell phone has been highly developed. Although there are so many kinds of cell phones in the US or in Europe, It is rare to find such a cell phone that has a ton of functions . The cell phone made in Japan can use call signals with melodies or songs called Cyaku-uta. Cyaku uta is an advanced signal which turned songs of good sound quality into a ring tone .

In addition, the users can see website, play games, and have GPS devices with their cell phone.

.In addition, the users can see websites, play games, and have GPS devices with their cell phone. 
 
The one of reason why cell phones in Japan has been so improved and functions have been gotten complex, we could say Japan is a society of commute by trains. The cell phone replaces books or newspapers as a device to pass time during commute. As for US, they use a car as transportation; therefore they seldom have enough time to manipulate their cell phones. It is a very interesting point that improvement of cell phone could definite the life style.

The one of reason why cell phones in Japan has been so improved and functions have been gotten complex, we could say Japan is a society of commute by trains.

This is good but a little awkward so I would change it to, 'One of the reasons why cell phones in Japan have been improved with new functions and increased in complexity would be that Japanese people commute by trains.' 

The cell phone replaces books or newspapers as a device to pass time during commutes . As for US, they use a car as transportation; therefore they seldom have enough time to manipulate their cell phones. It is a very interesting point that improvement of the cell phone could define the life style.

Can you live without cell phone?

Can you live without a cell phone?