different versions of Minecraft are available on which different platform?

playable on windows, Mac, linux computer
Minecraft for windows 10
Minecraft for mobile phones, apple, android, amazon, window
xbox one
ps4

crossplay-

cross platform play is a term used to describe the ability of a video game across different platforms such as; computer/ pc, xbox, playstation, Nintendo.

overall brand-

increasing the target audience potentially increasing sales- due to being on different platforms
reinvested into game increasing overall gameplay
from years 2014/2015 business year Minecraft tripled their revenue from 1 million to 2 million- Microsoft purchased Minecraft from Mojang for a record 2.5 billion.

realms-

allows players to create and manage their own private Minecraft servers. They are not intended for large public servers but for groups of friends or as a family server.
-always online
- play your way anytime/ anywhere
-easy
-safe and private

how has it enhanced gameplay?

no other game has achieved anything this pervasive as of writing

twitch tv

streaming website that is primarily based around gaming, but is broadening its horizons with the IRL section.
live streaming feature that is very easy to use meaning that most people will be able to to access it compared to on other platforms
Minecraft has its own twitch channel where fans and other pro players stream themselves playing Minecraft, completing different set challenges or just streaming their survival world.
Channel has got 34,803 with a total 2,372,538 views.

how Is it regulated?

under a system called PEGI (the pan European game information scheme)
cannot monitor explicit  language, chat is monitored so that any explicit language is not allowed to be said on the chat.