The Nintendo DS (NDS) is a dual-screen ARM-based handheld console released in 2004. Decompilation in the context of NDS games refers to the process of translating compiled machine code (ARM9, ARM7, or Thumb binaries) back into a high-level language, ideally human-readable C or C++ code.
Practical tips
A successful decompilation from Ghidra for an NDS function might produce: nds decompiler
Several NDS decompilers have emerged over the years, each with its strengths and weaknesses. Some of the most notable ones include: Deep Report: NDS Decompilation 1