You cannot download a legitimate, full version of Grand Theft Auto V (GTA 5) for Android or iOS devices using a file named "com.rockstargames.gta5". Rockstar Games has never released an official mobile port of GTA 5.
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: While it can run on 4GB, 8GB RAM is the recommended minimum for a stable experience. Finding & Verifying Files
While older titles from the 3D era (and the Definitive Edition trilogy via Netflix Games) are available on mobile, GTA 5 is simply too demanding for native mobile hardware. The game requires massive processing power, dedicated graphics rendering, and over 100 GB of storage space—specifications that standard mobile operating systems cannot natively run without a complete, official overhaul from Rockstar. The Hidden Dangers of Downloading "GTA 5 APK + OBB" Files