No. There is no mobile version. Any website claiming "Artificial Academy 2 APK" is 100% a scam.
Maybe. Scan every file with Malwarebytes and Windows Defender. If the .exe is over 5 MB and not named AA2Play.exe, delete it immediately.
In the US, technically yes – it violates copyright. However, since Illusion no longer exists, prosecutors rarely pursue individual downloaders. Uploaders are at risk.
A complete AA2 download includes: