[iPhone God App] It was found using the ConsoleMusicNES Edition actually

ConsoleMusic - NES Edition is a player for nsf / nfse music files
It can also play
Game Boy Advance (gsf)
Nintendo DS (2sf),
SNES(rsn),
Nintendo 64 (usf),
Playstation (psf)
Megadrive(vgm),
PC-engine(hes),
Gameboy(gbs),
Game Gear(vgm),
Master System(vgm)
music files via in app purchase.
With ConsoleMusic - NES Edition you can listen NES music without having to bring your NES every where you go. How convenient !!!

You can add your .nsf files with iTunes File Sharing very easily http://support.apple.com/kb/HT4094?viewlocale=en_US or
you can also download nsf files with the integrated browser or with safari, ConsoleMusic - NES Edition will open it automatically and add it to your music library!

Playlist support for mixing 8bit and 16 bit tunes
Cover find with the magifier button
Cover download with the + button or a 2 finger touch to image
HI FI sound quality but still good old 8bit chiptune ;)
Airplay and bluetooth headset support
Background support, music will keep playing even if you use surf the web or read mails !!
Control available on lock screen and multitasking bar.
Playlist and Shuffle mode.

SNES spc must be in a rsn, 7z or zip archive
MEGADRIVE vgm or vgz file must be in a zip or 7z file,
PC-engine hes file must be in zip or 7z file with m3u file

(You cannot play NES games with this app!)