I couldn't get the keyboard to appear by pressing L with the cia version so couldn't get past the lame-o copy screen on monkey island 2. Installing the 3dsx version fixed the issue.
OK, that works but only with the firmware version that you provided. Trouble with that is that it seems to be a test build or something as it doesn't boot to a useable menu either on the original DS or the 3DS.
Can you make another build against this version which definitely works on the...
I get the same issue with this build, both with the firmware I linked and the one you linked. The one you linked to doesn't work on my original DS, it boots to garbled text.
I've got a SuperCard DSOne SDHC, using this firmware http://down.supercard.sc/download/evolution/DSONE_SDHC_Evolution_V1.0_eng_sp6_20121030.zip
It gets to the SuperCard loading screen then hangs.