While you cannot install the game directly as an APK, you can play it on your phone using : Cloud Gaming Services :
: The full GTA 5 game requires over 100GB of storage and significant processing power (GPU/RAM) that standard mobile hardware cannot support natively.
: Many "download" sites use fake reviews or require you to complete endless "human verification" surveys that never actually provide a working game. Legitimate Ways to Play on Android
: Similar to Steam Link, this allows you to stream GTA 5 from your PlayStation console to your Android device. How to play GTA 5 on Smartphone and TV? - Shadow PC
: If you own the game on PC, you can use the free Steam Link app to stream it to your phone over the same Wi-Fi network.
: Provides a full Windows cloud computer that can run the game and stream it to your mobile browser or app. Local Streaming (Requires a PC) :