Como executar aplicação pelo serviço?

function AndroidServiceStartCommand(const Sender: TObject; 
  const Intent: JIntent; Flags, StartId: Integer): Integer; 
var 
 Intent         : JIntent; 
 NativeComponent: JComponentName; 
begin 
   Intent := TJIntent.Create; 

   Intent.setAction(TJIntent.JavaClass.ACTION_MAIN); 

   Intent.addCategory(TJIntent.JavaClass.CATEGORY_LAUNCHER); 
   NativeComponent := TJComponentName.JavaClass.init(PackageName, AppName); 

   Intent.addFlags(TJIntent.JavaClass.FLAG_ACTIVITY_NEW_TASK); 
   TAndroidHelper.Activity.startActivity(Intent); 

end; 

TAndroidHelper.Activity.startActivity(Intent);