It is also known as FNaF 6 Ultimate Custom Night. It is free for you to download and enjoy the cool version 0.3.2. But, it is not simple to overcome challenges waiting for you ahead. It is possible to play Ultimate Custom Night from FNaF 6 in advance. However, you should note that it is the demo. Thus, they will not have all animatronics or mechanics.
According to the latest news, Scott Cawthon will present the actual Ultimate Custom Night. Obviously, it is said that he will not create an Android version. While you are longing to check out the real Custom Night, you can engage in some kinds of the Ultimate Custom Night in the form of a fanmade game. If Scott introduces the UCN for the platform that lots of people are looking forward, it will not run for anything. And so, every effort to update it will be forced to stop.