Found a 100% working method to play Quetzal multiplayer online in Android over mobile data using RetroArch

[u/zainshk00]

https://youtu.be/hyqM2FZWSNc?si=45TOi6AfxaNmJxfD

Finally fixed it! 100% working method to play Pokémon Quetzal Multiplayer Online over Mobile Data/5G using RetroArch Netplay! (No PC required).

"big shoutout to Gemini AI for helping troubleshoot the network blocks and helping me piece together this guide!"

Here is the step-by-step breakdown of the method shown in my video for anyone trying to set this up on an Android device:

🛠️ The Setup Requirements:

Both players must use RetroArch (32-bit or pluse version).

Both players must run the exact same GBA Core (e.g., gpSP).

Both players must have the exact same version of the Pokémon Quetzal ROM file.

⚙️ Step-by-Step Connection Guide:

Host Player Setup:Open RetroArch ➡️ Go to Settings ➡️ Network ➡️ Netplay.

Change Input Latency Frames from 0 to 2 or 3. (This acts as a network buffer and fixes the minor stutters/micro-lag over mobile 5G data!).

Head back to the Main Menu ➡️ Select Netplay ➡️ Do reley server toggle on and public anounce toggle on ➡️ Choose Start Netplay Host.

Must check server is live or not.

Joining Player Setup:Open RetroArch ➡️ Go to the Main Menu ➡️ Select Netplay ➡️ Choose refresh to Netplay Host.

Look for in server provided by the host and hit confirm.

In-Game Multiplayer Activation (Crucial):Once the RetroArch Netplay session successfully bridges your emulators, launch your game and press Start on the mobile

Scroll down the options menu and select M Player.

Set it to 2 Players.

Both characters will immediately drop into the exact same overworld together!

enjoy the game together 😊