In an effort that has seen use only the resources of the country (and close friend of China), the tablet is available in a free offer to a few carefully selected students, being careful to provide a device which can not still connect to the Internet and is charged video of the North Korean Communist Party and the speeches of the dear leader.
The operating system? A cousin of Android. Korea would in fact using the Red Flag, a distro of Linux developed in-house and which has already been used on desktop computers.
See it in Europe? Virtually impossible.