There is no official Quake 3 Arena mobile port from id Software.
Unlike Doom or Wolfenstein, id Software never released an official Android version of Q3A. Any APK claiming to be the "official" or "original" game is misleading.
However, you CAN play Quake 3 on Android perfectly using source ports — fully legal, high-performance versions rebuilt from the open-sourced Q3 engine. quake 3 arena android download
Published by: TechArcade Legacy
Reading Time: 8 minutes There is no official Quake 3 Arena mobile
When you first launch the game, go to Options → Controls → Touch Settings. Published by: TechArcade Legacy Reading Time: 8 minutes
A fork of the original engine offering high-resolution texture support and graphical enhancements, though it may require more powerful hardware to run smoothly.