Similar to BlueStacks, you can rename the device to "Samsung S3" in the settings. However, the underlying Android version is Android 5.1 to 9.0. This is a "skin" emulator, not a true S3 emulator.
If your primary goal is playing classic 2012-era Android games, mainstream consumer emulators are your best bet. While they usually run newer versions of Android, you can change the "Device Profile" in the settings to mask the emulator as a Samsung Galaxy S3. Samsung S3 Emulator
Designers sometimes need to screenshot the old TouchWiz interface for comparison articles or historical documentation. Similar to BlueStacks, you can rename the device
1. Android Studio Virtual Device (AVD) – Best for Developers If your primary goal is playing classic 2012-era
The Samsung S3 emulator was not a commercial product; it was a free add-on to the Android SDK, reflecting a moment when Google’s own emulator was still immature. Samsung’s decision to provide these images was strategic: lower the barrier to TouchWiz compatibility, reduce the number of one-star reviews from “app crashed on my S3,” and subtly lock developers into Samsung’s ecosystem.
: The official way to create a virtual device for development.