You're going to have so much fun on the Allure! We've been on her four times and can't wait to get back. Here's a fun thing that's free. Immediately after the muster head up to deck 14, go to the port side and head forward all the way, step through the sliding glass door and you will be on the observation deck right over the bridge and you can even walk out on top of the "wings". Great viewing place when leaving port. It is pretty windy though. The entertainment will be "Mamma Mia", "The Blue Planet" and "Ocean Aria". Book them on line as soon as you can, get to the venue at least 30-45 minutes before the shows to get good seats. The Blue Planet and Ocean Aria will blow you away, especially the kids! We always book Ocean Aria twice, in the event the show is cancelled due to weather.
Go to this website, http://www.royalcaribbeanincentives.com/ship/allure-of-the-seas/deck-plan/ and check out what is on each deck. I printed the deck plans and we studied them weeks before we boarded the Allure. That way, we didn't spend a lot of time wandering around looking for a specific place. Park West Art gallery has a couple of auction on board during cruise days. You can preview what they have for free they day of the auction before the auction.