Any application on the Google Play Store or a third-party website claiming to be a "PS4 Emulator" is almost certainly a fake.
Microsoft allows you to stream GTA V directly from their servers to your Android browser or app. Download Ps4 Emulator For Android With Play Gta 5 On Android
for Android, it is important to clarify that a true, functional PS4 emulator for mobile devices does not currently exist due to the massive hardware requirements of the console. Any application on the Google Play Store or
: Shady download links may contain harmful software that compromises your device's security. How to Actually Play GTA 5 on Android : Shady download links may contain harmful software
Attach an Xbox or PlayStation controller via Bluetooth to free up screen space.
Most apps found on the Google Play Store with names like "PS4 Simulator" or "PS4 Launcher" are designed only to mimic the PlayStation 4 user interface and cannot play actual retail games. Current Legitimate Methods to Play GTA 5 on Android