Apps generally refers to mobile applications. Specifically it includes all software applications. An App is a software application.
Mobile Operating Systems (OS) allow users to install on devices. Google’s Android OS and Apple’s Internet OS, iOS, are the most popular.
Categorization is central to the social code. They are categorized by software type and function. Finding them in stores is the first order.
How we use them comes next. Smart is what we are building up to, informatization.
Stores sell mobile apps. In general, some are traditionally available from manufactures. Also, many outlets for sale.
Operating System (OS) and device makers have the largest interest in delivering them. They have the largest stores.
First, Steve Jobs vision, nothing else. So, price to pay in app stores is a unit. Given, good netiquette to purchase reasonably. Shop around for our apps.