Egg's (Concept Teaser) is an article in Resident Evil Recollections. It was uploaded on 17 February 2015.
One of the easter eggs in the Resident Evil Revelations 2 concept teaser trailer are…ahem, the eggs.
> Resident Evil Revelations 2 Concept Teaser
The eggs as they appeared in Resident Evil 4 and 5 were healing items, all except for the Rotten Egg. If you don't know what happens when you eat one I won't spoil the fun, go try for yourself!