You need a legal copy of the PC game's files. You then use the emulator to run the game's .exe file.
Any site offering a direct "RDR2 APK" is likely providing a scam, malware, or a small fan-made demo. To play the real RDR2 on your phone safely and effectively, you must use emulation or cloud gaming rather than a single APK file. How to Actually Play RDR2 on Android red dead redemption 2 apk obb file download better
If you have Game Pass Ultimate, you can stream RDR2 directly to your phone. You need a legal copy of the PC game's files
Link your Steam or Epic Games library to stream your purchased copy with high-end graphics. 3. Remote Play To play the real RDR2 on your phone
Since a native APK for the full game doesn't exist, here are the legitimate ways to experience Arthur Morgan’s journey on mobile: 1. PC Emulation (Advanced)
Even on high-end hardware, expect low frame rates (approx. 10-15 FPS).
If you already own the game on console or PC, use the official remote play apps to stream it to your phone over Wi-Fi: (for PlayStation owners) Xbox App (for Xbox owners) Steam Link (for PC owners) Warning: The Risks of "Modded" APKs