you can only save if you have the full version
yes, but not on classic
NO!
no
yes, tto save it tho you would have to go to the run in the bottom left corner and type in %appdata%, click roaming and save the .minecraft, and when you would like to play it, put the .minecraft back where you took it from.
I used to have this App and yes you can save worlds by tapping the menu then save.
No, unless you save a world on your computer files
make an account and then go into pause and save it i belive
Go to [esc] and click "save world" if you created it.
Yes. Press quit to title and it will save.
Move the world into the memory stick in .minecraft
Minecraft saves automatically every 5 seconds, or when you pause the game