Sound Test
When you first turn on your snes a little nintendo sign comes on. Have your player two control pad in. Right after the nintendo sign comes up hold select with control pad two until it goes to a sound test screen. Now test the sounds or just listen to them with control pad one. To get out of sound test just press start.
Japanese Name
At the ,old game, new game, delete record, screen hold A and X and select new game while still holding these keys. You can now write you're name with Japanese writng.