Tith this app you can listen to Surat Mulk, surah no 67 of the holy Quran.
You do not need to download the mp3 just install this app and listen.
Reciters include,
Mahmoud Al Hussary
Saad al Ghamidi
Mishary Rashed Alafasy
Ahmed Al Ajmi
Maher Moagely
Saud Al-Shuraim
The Prophet (salAllahu alayhi wasalam) said,
There is a surah in the Quran which is only thirty verses. It defended whoever recited it until it puts him into paradise i.e. Surah al Mulk
[Fath al Qadir 5/257, Sahihul Jamiea 1/680, Tabrani in Al-Awsat & Ibn Mardawaith]