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An app store, also known as an application store, is a sort of online distribution platform for applications, most often in a cell phone context, designed to deliver applications to a target audience. Applications deliver a particular set of functionalities that, by definition, don't include the regular operation of the computer alone. Think of it as having your PC right there at the grocery store scanning barcodes, or delivering dinner to your family members at a restaurant. However, the technology used and the skills required to operate such a system are entirely different from what you would have used to operate your personal computer.海外充值

App stores typically have a single location where apps are retrieved from, and only one method of installation. The app stores typically run on personal computers that have been configured with the necessary software requirements for installation via USB, including runtime error checking and detecting the presence of any additional drivers required to run the various apps. In a more advanced setup, some services may be provided via remote service to allow users to install apps without necessarily requiring the PC on which the services are to be run.app store充值

There are many different types of app stores, each with their own distinct functions. For example, there are the premium app stores, where apps are offered for free but the software distribution is limited and features are usually sparse. More commonly, premium app stores are hosted by revenue sharing arrangements with selected companies. More advanced programs allow direct downloads from certain websites, while others offer support for multiple applications in a single interface. With premium and mid-sized app stores, the cost of developing the software and maintaining the stores typically come into the billions of dollars, a figure made all the more attractive by the relatively low barrier to entry for new entrants.海外充值支付宝