r/3dshomebrew

In these last few weeks Themezer's support for 3DS has been extended even more, with now a fully browser-based, local theme editor!

• body_LZ.bin editing, with
  • live preview (WIP, not 100% perfect)
  • Colors editing
  • SFX editing (supports common audioformats, trimming, encoding)
• bgm.bcstm editing, with
  • Support for most common audioformats (mp3, ogg, ...)
  • Trimming
  • Loop point settings
  • Encoding, sample rate (with recommendations) and track volume
  • Estimated filesizes
• Easy remote installing & testing by clicking the "Remote install" button and scanning it with Anemone3DS

It's still in beta but it'll be improved along the way based on your feedback.

Try it out at https://themezer.net/create/3ds/theme

hi! so i had vapecord downloaded with new leaf welcome amiibo and up until today ive had no issues. now when I try to open new leaf, im getting an arm11 core 0 translation-section garden-p error and I feel live ive tried everything to fix it, ive deleted everything vapecord related off the sd card. no other games or anything have issues

I’m using mrhuu files for a 3ds port of fallout 2, I’m attempting to run it on an original 2ds but I’m not sure what files I actually need to get it to run, this is what I’m looking at in FBI, if someone can tell me what to remove and what I need to add, I already have the steam release on there.

So basically, I own a Yo-Kai Watch 3 cartridge, I bought when it was just released, and the game language was Italian, which is my main one.

Now, for some reason, the language has changed into English, somehow.

Unfortunately, there is no menu where you can change your language, and I was wondering if there is anything that could help me change the game language into the Italian one again, or just the Europe region.

I honestly don't know how that happened, I just opened the game again and the language changed into English.

I tried using "LumaLocaleSwitcher", but that doesn't seem to work at all.

Anyways, any help is appreciated.

Hey! How do we get this on Nintendo 3DS???

Homebrewed years ago and have been using the 3DS consistently since then. This morning it was working just fine and it has been sitting in a drawer since then.

I launched Pksm and opened a save, went to Storage but for some reason it was empty when there were hundreds of Pokemon there. Closed Pksm, launched Pokemon Y from the cart and it said SD card not recognized. Launched Pksm again and it went straight to a black screen which said the SD card was removed. When I open FBI, it shows the SD card and lets me open it and see the files.

Any idea what might've gone wrong?

I've been building a Pokémon plugin for the 3DS (Gen6CTRPFrameworkOverhauled), and I was constantly capturing my 3DS screen. to go back and forth with Claude on each implementation — show it the actual result running on the console, tweak, repeat. SnickerStream was already fantastic for streaming the console over Wi-Fi… but I kept wishing it did a few more things.

I sat down with Claude Code (I'm definitely not a developer) and we forked SnickerStream into 3DSnickerStream — it's free and open source, for Windows and macOS.

You run it, point it at your 3DS on the same Wi-Fi (NTR or HzMod), and it streams both screens live. On top of the original, we added the stuff I actually needed for capture:

• Per-screen color adjust — brightness/contrast/saturation/highlights/shadows for each screen, with a one-click "copy to the other screen"
• Zoom to native pixels — 100% = the real 3DS resolution, pixel-perfect (great for clean screenshots)
• Clean mode — hit H to hide the whole UI and show just the screens, with an optional pinned FPS counter
• Live gap & per-screen scale — space the screens out or glue them together while streaming
• Find on network — it scans your Wi-Fi, auto-connects to the 3DS, and auto-reconnects if the stream drops
• Screenshots — compose both screens into a PNG or straight to the clipboard
• A responsive UI that stays usable even in a tiny window

It's self-contained on Windows (just unzip and run, no .NET install), and there's a macOS build too. Still a few rough edges — HzMod is beta (top screen only) and NTR is the way to go for now. Full credit to the original SnickerStream by RattletraPM; this is GPLv3.

Download it (and see it in action) here:
https://samabr85.github.io/3DSnickerStream/

If you give it a try, I'd genuinely love to hear what you think — feedback and ideas are very welcome.

Hey everyone,

I love giving old hardware a new purpose, and the DS form factor is honestly still great for reading. I've been working on the DS-Mangaman toolchain and just implemented a massive quality-of-life feature: Native PDF Import via GUI.

Instead of manually extracting and formatting images beforehand, you can now just feed a PDF directly into the app.

Here is what’s new:

• One-Click Import: Added a dedicated "Import PDF" button to the main interface.
• Smart Configuration Modal: When you load a PDF, a setup window pops up allowing you to customize the extraction.
• Auto-Splitting: You can split massive PDFs into manageable DS ROM chapters by specifying a page count, or just let the app auto-split them using the PDF's native bookmarks (TOC).
• Versatility: You can choose your output format (JPG, PNG, WEBP) and adjust the DPI.

While I built this to handle manga scans (extracting the raw images with zero quality loss), I realized it works flawlessly for standard text PDFs as well. It makes reading standard documents, guides, or books on the console surprisingly comfortable.

Quick Setup Tip: If you want to pull the repo and compile a ROM yourself, I highly recommend using a Python virtual environment to keep the dependencies clean:

cd ds-mangaman
python -m venv venv
venv\Scripts\activate  # Mac/Linux users: source venv/bin/activate
pip install -r requirements.txt

I've tested the pipeline thoroughly on my end and the generated .nds files run perfectly, but I'd love to hear how it works for you guys.

Let me know what you think or if you have any feature requests!

Original Github: https://github.com/hwfish-error408/ds-mangaman
My pull-request with import pdf: https://github.com/N00body-romeo/ds-mangaman

mobipeg
Download at github.com/quatric/mobipeg/releases/latest/

mobipeg is a fork of FFmpeg with added support for encoding and decoding Nintendo MobiClip video formats. It uses a modified version of x264 for encoding and bundles a GUI tool for easy use.

Features

• Allows encoding and decoding Mobiclip videos for Wii, 3DS, and DS
• Allows ADPCM, FastAudio and PCM audio for Wii, 3DS, and DS (along with Vorbis for Wii)
• Allows encoding 3D video for 3DS
• Has a GUI for easy use to encode or decode videos, also can be used with CLI
• Works on Windows, Mac, and Linux - no Mobiclip SDK needed, and no license needed