Android 2.0 (AOSP Eclair) running bare-metal on the Nintendo 3DS
Android 16 (crDroid) on the Huawei MateBook E Go — Snapdragon 8cx Gen 3, mainline Linux kernel, hardware Vulkan on Adreno 690. No vendor BSP exists; every HAL is built on upstream drivers.
NixDroid is an x86_64 AOSP emulator for Linux uses virtualization technology via QEMU, allowing it to run directly on hardware with native performance and skip software emulation overhead completely.