If you like make Fun of your Friend then you have selected the right app to prank your friend.
It's Now Easy to Turn your device into an air horn.

Features:-
_Easy to Use App.
_One Tap and Play Air Horn Sound.
_The best quality air horn And siren sound.
_Timer & Loop air horn sound.
_Select Your Favorite horn sounds

You can prank your Friends and enjoy the Situation when you play Air Horn Sound to make him surprise.