The developer recommends a device with at least a Snapdragon 845 or equivalent, which features "big" performance cores only found in 64-bit chipsets.
Android ABIs Explained: armeabi-v7a vs arm64-v8a | Stackademic Aethersx2 Armeabi-v7a
If you encounter this error during installation, it means your device's CPU architecture does not match the APK you are trying to install. The solution is to install the version that matches your device's architecture (e.g., armeabi-v7a for 32-bit devices) or try the Universal build. The developer recommends a device with at least
: Even on supported hardware, it is recommended to have at least 4 GB of RAM and a mid-to-high-end processor for smooth gameplay. 2. "Covering" Games (Adding Box Art) : Even on supported hardware, it is recommended
: The modern 64-bit ARM architecture. It offers significant performance advantages, including 31 general-purpose registers compared to just 16 in 32-bit architectures, and an improved A64 instruction set. Benchmarks show that 64-bit implementations can deliver 30–50% better performance than their 32-bit counterparts, particularly in gaming and video processing scenarios.
Because no official build exists, many websites host malware-laden "AetherSX2 ARMv7" files. Avoid random YouTube links and APK download aggregators.