What is a smart phone? What's the difference with ordinary machines?

Smartphone refers to a kind of mobile phone which, like a personal computer, has an independent operating system, and users can install programs provided by third-party service providers, such as software and games. Through such programs, the functions of the mobile phone can be continuously expanded, and wireless network access can be realized through mobile communication networks. There are the following differences from non-smart phones: 1) whether the appearance is fashionable, whether we are more comfortable to use, 2) whether the corresponding time is faster, the software has added many new humanized functions, and it is easier to interact with people, 3) whether it has a wider correspondence with the outside world in life, such as being a remote controller for home equipment, doing identity recognition or bank cards, and 4) whether the platform is easier for customers or manufacturers to DIY. Is there an updated hardware and software frame structure or new functions conducive to upgrade 5? For example, the hardware contains multiple DPS processing, and the software 2D and 3D processing or supporting video conferencing. Generally speaking, the difference between smart phones and non-smart phones is that smart phones have updated buying points. Non-smart phones just maintain the basic functions of the existing industry and reduce the existing costs in terms of price or appearance. At present, only LINUX is relatively stable, but we can't say that WINCE system is not intelligent. The key is how much it brings to the public.