The file is a compressed Generic System Image (GSI) based on the Roar (Phhusson) project, designed to bring custom Android versions to various hardware. This specific naming convention tells you exactly what kind of device it fits and what features are baked in. Breaking Down the Filename
: Built for 64-bit ARM processors, which is standard for most modern smartphones. : Designed for devices using the A/B partition scheme system-roar-arm64-ab-vndklite-gapps.img.xz
This refers to . Modern Android devices often use a "seamless update" system. Instead of having a single system partition, they have two: system_a and system_b . The file is a compressed Generic System Image
Or use the hardware key combo (Volume Down + Power on most devices). : Designed for devices using the A/B partition
: Your device must be "Treble-compatible" (originally shipped with Android 8.0 or higher).
: The code name for this particular release branch of phhusson's GSIs.