Delphi equivalent for appSendBroadcast here: https://github.com/SteveCorbett/DelphiAndroidIntents/blob/master/Android/delphiintents/src/main/java/au/com/corbtech/delphiintents/SendIntent.java

SendBroadcastExplicitIntent.pas

uses
  Androidapi.JNI.GraphicsContentViewText, Androidapi.JNI.Os, Androidapi.JNI.JavaTypes, Androidapi.Helpers;

procedure SendBroadcast(const AIntent: JIntent);
var
  LResolveInfoList: JList;
  LResolveInfo: JResolveInfo;
  LComponentName: JComponentName;
  LExplicitIntent: JIntent;
  I: Integer;
begin
  if TJBuild_VERSION.JavaClass.SDK_INT >= 26 then
  begin
    LResolveInfoList := TAndroidHelper.Context.getPackageManager.queryBroadcastReceivers(AIntent, 0);
    for I := 0 to LResolveInfoList.size - 1 do
    begin
      LResolveInfo := TJResolveInfo.Wrap(TAndroidHelper.JObjectToID(LResolveInfoList.get(I)));
      LComponentName := TJComponentName.JavaClass.init(LResolveInfo.activityInfo.applicationInfo.packageName, LResolveInfo.activityInfo.name);
      LExplicitIntent := TJIntent.JavaClass.init(AIntent);
      LExplicitIntent.setComponent(LComponentName);
      TAndroidHelper.Context.sendBroadcast(LExplicitIntent);
    end;
  end
  else
    TAndroidHelper.Context.sendBroadcast(AIntent);
end;