Video player http url works in Editor but not in Android ?

It shows on error received event message "Can't play movie [http.....mp4]"

public class StreamVideo : MonoBehaviour {

 public RawImage image;
 public GameObject playIcon;

 //public VideoClip videoToPlay;

 private VideoPlayer videoPlayer;
 private VideoSource videoSource;

 private AudioSource audioSource;

 private bool isPaused = false;
 private bool firstRun = true;
 public Text myText;
 
 IEnumerator playVideo()
 {
     playIcon.SetActive(false);
     firstRun = false;

     //Add VideoPlayer to the GameObject
     videoPlayer = gameObject.AddComponent<VideoPlayer>();
     videoPlayer.loopPointReached += EndReached;
     videoPlayer.errorReceived += VideoPlayer_errorReceived;
     videoPlayer.prepareCompleted += VideoPlayer_prepareCompleted;
     
     //Add AudioSource
     audioSource = gameObject.AddComponent<AudioSource>();

     //Disable Play on Awake for both Video and Audio
     videoPlayer.playOnAwake = false;
     audioSource.playOnAwake = false;
     
     audioSource.Pause();

     //We want to play from video clip not from url

// videoPlayer.source = VideoSource.VideoClip;

     // Vide clip from Url
     videoPlayer.source = VideoSource.Url;
     videoPlayer.url = "http://docs.evostream.com/sample_content/assets/bun33s.mp4";


     //Set Audio Output to AudioSource
     videoPlayer.audioOutputMode = VideoAudioOutputMode.AudioSource;

     //Assign the Audio from Video to AudioSource to be played
     videoPlayer.EnableAudioTrack(0, true);
     videoPlayer.SetTargetAudioSource(0, audioSource);

     //Set video To Play then prepare Audio to prevent Buffering
  // videoPlayer.clip = videoToPlay;
    
     
     Debug.Log("will prepare Video");
     myText.text = "will prepare Video";
     
     videoPlayer.Prepare();

     yield return 0;

 }

 private void VideoPlayer_prepareCompleted(VideoPlayer source)
 {
     Debug.Log("Done Preparing Video");
     myText.text = "Done Preparing Video";
     //Assign the Texture from Video to RawImage to be displayed
     image.texture = videoPlayer.texture;
     //Play Video
     videoPlayer.Play();

     //Play Sound
     audioSource.Play();
 }

 private void VideoPlayer_errorReceived(VideoPlayer source, string message)
 {
     myText.text = "Error:" + message;
     Debug.Log("Error:"+ message);
     
 }

 public void PlayPause() {
     if(!firstRun && !isPaused) {
         videoPlayer.Pause();
         audioSource.Pause();
         playIcon.SetActive(true);
         isPaused = true;
     } else if (!firstRun && isPaused) {
         videoPlayer.Play();
         audioSource.Play();
         playIcon.SetActive(false);
         isPaused = false;
     } else {
         StartCoroutine(playVideo());
     }
 }
 void EndReached(UnityEngine.Video.VideoPlayer vp)
 {
     myText.text = "Video End";
     Debug.Log("Video End");
 }
 void VideoError(UnityEngine.Video.VideoPlayer vp)
 {
     myText.text = "Video End";
     Debug.Log("Video End");
 }

}