Changing the file names?

[DTST]

I've long since forgotten how to do this. How do you change the "Mario A B C D" on the file select? would like to change them simply to "File" as my hack does not star Mario.

[Pilzinsel64]

Try out this tool:
https://mega.nz/#!RR8AxBpS!-GNtHHglydN6eu1giHT7KOYyJ17J8KPXVrwOxDCkFu4