Using a root file explorer (install SuperSU via a flashable ZIP), edit /system/build.prop :

LDPlayer’s older versions (specifically 3.73) are tailor-made for Android 4.0 compatibility. It is the lightest emulator, which ironically helps achieve "extra quality" on lower-end PCs by reducing background overhead.

: If you are working with limited resources (like 4GB of RAM), standard emulators may crash. Light-weight options like LDPlayer or Nox Player are often recommended by RDPExtra for their ability to maintain "extra quality" performance without exhausting system memory.