As can be learned from the article Linux range of use, Linux kernel-based operating systems are ubiquitously found on diverse hardware platforms. This article, Linux for mobile devices, is about the use of Linux kernel-based operating systems on all sorts of mobile devices, whose primary or only Human interface device (HID) is a touchscreen.
This are mainly comprises smartphones and tablet computers, but also some mobile phones, personal digital assistants (PDAs) portable media players that come with a touchscreen separately.
This is a list of many Linux kernel-based operating systems used on mobile devices. The differ from one another in parts of the middleware or the entire middleware, and in that they employ individual UIs.