GBARunner2, a hypervisor that runs GBA games on DS/DSi/3DS in DS mode:

GBARunner2, a hypervisor that runs GBA games on DS/DSi/3DS in DS mode:
* https://github.com/Gericom/GBARunner2
* Thread: https://gbatemp.net/threads/gbarunner2.451970/
* https://wiki.gbatemp.net/wiki/GBARunner2, with compatibility list
* for DSi/3DS: https://wiki.gbatemp.net/wiki/GBARunner2/DSi_3DS_Compatibility_List
* https://wiki.ds-homebrew.com/gbarunner2/
* https://nds.scenebeta.com/noticia/gbarunner2
* DSi＆3ds　gbaエミュレータGBARunner2紹介 : https://yyoossk.blogspot.com/2021/03/dsi3dsgbagbarunner2.html

Funny: on the official thread there's someone that started and kept posting semi-delirious compatibility reports as constant replies... https://gbatemp.net/threads/gbarunner2.451970/post-9583478
DS Lite enhanced edition fork: https://github.com/unresolvedsymbol/GBARunner2-DSL-Enhanced