A: Legitimate alternatives: scrcpy (screen mirroring with consent), LADB (local ADB shell). Malicious alternatives: AhMyth, DroidJack – all are illegal.

If you are a developer or researcher looking to study this malware, :

Many Spynote samples are disguised as legitimate apps, such as cryptocurrency wallets.

For those interested in ethical hacking, focusing on learning legitimate penetration testing tools in a controlled, legal setting is the best approach.