JPCSIM NT is a computer simulator for your smartphone, it can simulate some processes from true computers and makes you think you are running a complete computer operating system in your smartphone, the processes that JPCSIM NT can simulate includes installation and some built-in features from the selected operating system. You may choose between two modes: CUSTOM or AUTOMATIC, while CUSTOM lets you install from the begin the selected system, the AUTOMATIC mode brings you a pre-installed version of this with default configuration. When reviewing please keep in mind that JPCSIM NT is currently in a very early phase so it may have many missing features that will be added later. Remember that JPCSIM is NOT an EMULATOR and it is designed to learning or fun purposes.