Using some smart phones is like using a portable computer as they provide a second screen for media multitasking and also allow watching television. It is beleived that by March 2011 millions and millions of mobile phone users made use of location-based services. There are also applications that will allow you to prevent unwanted calls. Ever since the service for preventing unwanted calls was introduced it has managed to become very popular as many people are seeking the service. The reason is because some people have the habit of harassing other using mobile phones, there are people you wish not to speak to or there is a telemarketer who has been calling you.
Services such as Gowalla and Foursquare has been popularly used as the May 12, 2011 ComCore report indicated. This showed that one in every five smart phones the Gowalla and Foursquare services. There are several differences that can be found on different smart phones. One of the most notable is the screen size and resolution as they may vary from 3 inches to more than 5 inches while others vary from 6 inches to 8 inches.
Although people argue that the more the screen is large the more negative it becomes when it comes to usability. Samsung Galaxy Note 8.0 as well as Asus Fonepad and Huawei Ascend Mate are some of the smart phones that are able to make calls and run on Mobile Oses. 240 x 320 (QVGA) pixels to 1080 X 1920 (Full HD) are the most common resolutions that are used on smart phones.