Maybe next time.

All glitches work on every version. The European version is actually the second fastest version, with the text set to Italian. The route would be slightly different because of the shortened Triforce Quest (specifically the omission of 2 charts)

That would fall under the same category because of known load speed improvements.

You can but it would fall under the same rules as Emulator on the boards; If it's under a specific time it will be invalid.