Critical Released a Snes Emulator for the Gizmondo, heres the details:
<blockquote>This update fixes the aspect ratio to the proper SNES one. It was previously incorrectly squashed horizontally. The display is now horizontally and (since 0.2.6 vertically)-centred on the Gizmondo's screen. The menu has been tweaked slightly.
GizSNES 0.2.5
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Gizmondo port by critical of PocketSNES, which in turn is based on Snes9x.
It emulates SNES console.
PocketSNES is licensed under GNU Generic Public License(GPL), as is GizSNES.
Source is available on request to the contact address below.
The original licence files and documentation may be found in the doc directory of
the zip file that this readme file came in.