DeSmuME-NX v0.0.2 is released. DeSmuME-NX is a port of DeSmuME DS Emulator for the Switch. It's currently a fully interpreted DS emulator, which means the performance is not so great.DeSmuME is an open source Nintendo DS(NDS) emulator for Linux, Mac OS and Windows.

DeSmuME-NX Git Changelog:
Added a Portrait/Vertical Mod! - a lot of bugs fixed with this one.
Added a Toggle!
Added Exit Button (Minus In-Game)!

Download: DeSmuME-NX v0.0.2
Source: Here