The original Nintendo DS (released in 2004) features a modest and just 4 MB of RAM . Because Minecraft's endless, procedurally generated 3D worlds are notoriously resource-intensive, running the official Java or Bedrock codebase on this hardware is mathematically impossible.
To safely find the download links, use the following trusted resources:
You can save and load your creations, which are stored on your flashcard’s MicroSD card.
If you are looking for a more robust portable experience similar to Minecraft, you might consider these alternatives:
You can save your creations and revisit them later.
I can provide the safe, exact steps to get the right homebrew files configured for your setup. Share public link
You must approach these links with extreme caution. Because an official game never existed, any site promising a commercial Minecraft DS ROM is deceptive. The Security Risks of Untrusted ROM Sites
Older Reddit threads and homebrew archiving sites often contain the final version of the DScraft .nds file.