Usually smart phones have touch screen.
Touch screen phones and regular phones tend to have very similar lifespan. The lifespan of phones depends on how often it is used and how it is taken care of. Touch screen phones do have more complicated techonology involved though.
No they work on alot of phones. Usally touch screen but some touch screen don't have it. So no they don't work on any phones
no
Touch screen phones are this generation and the more electronic the better.
Touch screen phones are the most advanced as of now. Many companies are going to be making phones that project a holgram screen in real 3D and you can control bottons by touching air.
No samsung touch phones are way easier to use and the touch screen on the samsung is more responsive. Hope I helped :)
Ipod Touch
Today almost all smartphones are touch screen so there a lot of options out there. The number one touch screen phone out there is the Apple iPhone. It is only a touch screen, meaning that there is no keypad. A common competitor is the Android phones.
Nowadays, more and more phone is touch screen phones.
Some phones like track phones but not phones like touch screen .
theres a bunch :)