Android is an answer to Apple’s OS, developed by Google. Due to its flexibility and various choices, it has become a favorite for both developers and consumers. Unlike other phones, Android phones are available at reasonable prices. They are also very user friendly and designed to meet the customers’ needs. No wonder android phones sell
Generally open source refers to software whose source code is available for the general public’s use and modification from the original. The premise of open source software sounded like a mad mans idea in early 1980s, it seemed impractical and inapplicable for programmers to spend days and nights developing software then giving it away free.
Multi-touch technology has received considerable attention in recent years. Even though the technology has existed for more than 20 years, the current hype regarding the (MT)multi-touch interaction started no earlier than 2005, when an article about low- cost construction of MT screens made MT technology available to a bigger community. In 2006, a video showing