Paparacci me is a photo sharing app which allows you to be paparazzi.
Take a picture at an event and "throw" it towards the screen.
The photo will be shown on the screen for everyone to enjoy.
[Event Organisers]
Create a Facebook Event through the Facebook app Paparacci me or add Paparacci me to your existing Facebook Event.
[Event Guests]
You need to click "Join" on the Facebook Event page you were invited to and download the app.
At the event, select the event on the list.
If it cannot be found, enter the given passcode at the venue.
Click support site for more info.