Arma Tactics THD has never been released for PC, so it has no PC system requirements. It came out on Android.
There is no emulator for Android that this site will point you at.
Platforms: Android.
System requirements for the game ArmA II
System requirements for the game Arma 3
System requirements for the game ARMA: Gold Edition
System requirements for the game Arma Tactics
System requirements for the game ArmA: Combat Operations
System requirements for the game Arma Reforger
System requirements for the game Company of Heroes 2
System requirements for the game Sid Meier's Civilization V
