Android
symbian anna OS is best.
I thinks windows technology is best than android technology.
http://mobiappmax.com/mobile/android/
Symbian 3rd
most of android mobiles are in samsung.the best android mobile is samsung galaxy s2.
Mobile Android phone management can be controlled by a mobile device manager which can be downloaded and installed.One of the best ones is the 3CX Mobile Device Manager which is an online service.
Windows Phone, iPhone, or Samsung Android.
android is good but not the best , ios is the worlds most advance os.
The best mobile download site is a matter of personal opinion and depends on which mobile operating system you have. Android has Google Play and Apple has the Apple app store and I-tunes.
Advantages:•Operating system designed from scratch for mobile platforms•The platform has to be open to enable independent technology and software vendors to develop third-party applications, technologies and services•Best fitted for mobile market•Great market shareLimitations•Developing in general•Symbian signed•Dependency on Nokia (!)
There are a number of carriers that supple smartphones with Android. This includes Spring, Virgin Mobile, AT&T. However, my favorite place is Verizon.
One of the best sites for finding the cheapest android phone in America is a site called CNET they let you compare the prices of technology & gadgets.