If you'd like to get better at the game without the risk, I can:
Many sites offering "free aimbots" for Android or iOS are actually distributing malware or phishing scripts designed to steal your Gaijin account credentials or personal data. The Consequences of Cheating War Thunder Mobile Aimbot
If you suspect someone else is cheating, use the official replay system to watch the match from their perspective and file a report if necessary. If you'd like to get better at the