How to change screen size Dx

Come on.. what kind of help this gives while no one explain's me how to make the game work better.. so much of a help =3= thanks..
Well if you know how can i change the screen size because all of the options are still small size, i would be happy and thank you o3o

Um your other question was answered by Johnny64. It was a final smash, which happens when you use your special when your smash bar is filled.

What's your computer's resolution? If it's something ridiculously high, unfortunately it's unrealistic to accommodate it, and you'll just have to use the highest setting you can.

*gives attention*

F4 = full screen

Also, any other questions about general game settings might be answered by the in-game help. Hit F1 to bring it up.