The “Nintendo NX” is the code name for Nintendo’s next video game system. At the time that this article was written (April 23, 2016) the details of the system have not been released by Nintendo. There have been many rumors about the details of the NX, but nothing much has been confirmed.
Popular rumors include:
It will be more powerful than PS4 and Xbox One
It will be a combination of a home console and portable system
It will be easy to develop games for
It will run Unreal Engine 4 (most popular game engine)
It will have a lot of third party games
Nintendo will release a new Zelda, Mario, Metroid and more for the system
It will be released in 2017
Remember that these are all rumors at this time that could be true or false.