you can only save if you have the full version
no
NO!
yes, but not on classic
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.
Locate your Minecraft folder, then find your save file. Copy and paste this onto your hard drive. Minecraft is installed in your AppData folder (C:\Users\[username]\AppData\.minecraft\) The saves folder should be in the .minecraft folder.
Move the world into the memory stick in .minecraft