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https://emulation.gametechwiki.com/index.php/Netplay
https://www.youtube.com/watch?v=hdHqNRdU-ZA

https://docs.libretro.com/guides/netplay-faq/
Currently, this approach is only for emulating classic single-system local multiplayer, not link cable play or network multiplayer modes.

http://lobby.libretro.com/

https://www.romspedia.com/emulators/programs/retroarch/wiki/netplay

https://www.reddit.com/r/SBCGaming/comments/1d3tbz1/arkos_netplay_capabilities/?tl=es-es
Todas las consolas domésticas de 8 bits y 16 bits. Arcade (hasta CPS3. Así que no Naomi, Atomiswave, etc.). GB, GBC, y (muy recientemente) GBA.
Las consolas 3D como N64, Dreamcast, PS1, etc. están descartadas. Puedes usar PSP vía PPSSPP independiente.

https://github.com/christianhaitian/arkos/wiki/Frequently-Asked-Questions---CHI#q-how-do-i-host-join-or-spectate-an-adhoc-local-netplay-session
Compatible only with Retroarch and Retroarch32 8bit, 16bit, and older Arcade games such as Teenage Mutant Ninja Turtles and The Simpsons
Game Share mostly works with single game files. Multi Disc games may or may not work.
By default, Adhoc Netplay attempts to host sessions via a 5GHz connection for the best experience. If a host or client has a wireless chip that does not support 5GHz, ensure the host is set to 2.4Ghz mode in the Adhoc Netplay Session Manager Settings menu.

Game Share allows you to wirelessly share a game with another ArkOS device so you can adhoc netplay with the ArkOS device.
This is handy in case one unit has a game that is wanted to be played via netplay but the other doesn’t.
Only works to share the game to one other wirelessly connected device.
This is available from the Adhoc Netplay Session Manager menu.

Checks:
arkos version:
Start -> Distro Version

retroarch version:
Retroarch -> retroarch -> Information -> System Information -> RetroArch Version
Retroarch -> retroarch32 -> Information -> System Information -> RetroArch Version

retroarch core:
Arrancamos juego

FN + X
Select + X

B
Information -> Core Information -> Core Version
Si no fuese la misma versión:
Online Updater -> Update Installed Cores

rom version

NOTA: Se probó entre consola y pc, encontraba la partida pero se conectaba y desconectaba. Supongo que por versiones de RetroArch distintas, cores o ROMs.

FN + X
Select + X

B
Settings -> User -> Username

NetPlay: relay server
https://github.com/libretro/netplay-tunnel-server

After you press A to launch an emulator core and game via retroarch, hold the X button before the game loads.

  • Con wifi pero sin conectar a una red
  • Con wifi conectado a una red
  • Con wifi conectado cada uno a una red distinta

GENESIS:
Streets of rage3

NES:
Contra

SNES:
Kirby Super Star - Spring Breeze
Mario Kart

GBA:
The Legend of Zelda: A Link to the Past and Four Swords
F-Zero: Maximum Velocity