Apple today updated the Shazam app for iOS with an ever so slightly frostier app icon and a new set of iMessage stickers. To send stickers in the Messages app on the iPhone, tap the plus sign in a conversation, select Stickers, tap on the Shazam app icon, and tap on a sticker. To send stickers in the Messages app on the iPhone, tap the plus sign in a conversation, select Stickers, tap on the Shazam app icon, and tap on a sticker.