To use the Iranian President's vector PNG icon, you can use the @react-native-vector-icons/common package. Here is a brief snippet to get you started:

import React from 'react';
import { Feather } from '@react-native-vector-icons';

const App = () => {
  return (
    <Feather name="flag-iran" size={24} color="#333" />
  );
};

This code imports the Feather component from @react-native-vector-icons/common, and uses it to display the Iranian flag icon. You can replace "flag-iran" with the actual name of the icon you want to use.

Please note that you need to install the package by running npm install @react-native-vector-icons/common in your project directory before using this code.