A:AnswerThe xbox 360 version as far as I know is unique to the xbox 360 and you can't play with Bedrock versions of the game.
The switch is using the Bedrock edition of the game which is like the one on current gen xbox ones and windows.
A:AnswerI ordered it in October. I really thought it would be released for Christmas. I called Best Buy and ask the question. They don't know either. Wow, I'm alittle miffed that we were able to orderer so far ahead of release date. I hope soon.
A:AnswerTo play multiplayer games you need additional joycons for example 2 joycons come with a Nintendo switch but if you want 4 people to play you’ll have to get 2 more joycons
