Forums  /  Pokémon series  /  Pokémon Red/Blue  /  Why is not possible to use japanese in any%?
  CRICRI_GAMERCRICRI_GAMER

I have learned a glitch to use but is only in japanese version.
 
  stocchistocchi

If you are thinking about the select glitch, there is a leaderboard in the category extension for it

https://www.speedrun.com/pkmnrbyext#Any_No_Save_Corruption_RedGreen_JPN