was never officially released for Android by Rockstar Games. The game was designed for PC, Xbox 360, PS3, and later backwards compatibility on newer consoles. There is no legitimate Android version of GTA IV.
I understand you're looking for a GTA 4 license key for Android, but I need to provide some important clarification: gta 4 license key for android
If you'd like help with the actual GTA games available on Android, or setting up game streaming for GTA IV, let me know. was never officially released for Android by Rockstar Games