To go full screen in minecraft, you press F11. (Not sure if it works on Mac, but it probably does)
When the full Minecraft game is released you will have it if you buy the beta.
print screen key on keyboard, if you have steam, you can run minecraft from your library and use the steam screenshot system.
Minecraft Forge lists you all mods in minecraft and Forge
press Esc or B or even T will work in malti player
Black screen.
Fps...........
You can'nt
To do split screen in the Xbox360 edition, minecraft mandates that the user has an HD tv.
Yes, there is split screen on Minecraft Xbox 360 Edition, but it is exclusively for the use of HDTVs, so far.
full screen
Full Screen Mode: the F11 key toggles Full Screen Mode on and off.
Simply login in launcher screen(need premium) and you can play. enjoy!