Monsterwood is a Mobile Only Feature that allows the players to view videos or complete offers like trying another vendors apps in exchange for free food, gold, and gems.
Monsterwood will appear in your game after 20 days of playing.
Remember, this is a MOBILE ONLY feature. It does nvot appear on Facebook.
These videos and offers are being brought to you by an independent vendor, not Social Point. At times, there may be no videos available or there may be a delay in getting your rewards.
Any disputes with rewards offered should be submitted to the vendors sponsoring the rewards. You can find more info about how to contact them IN THIS THREAD
This is what the Island looks like, and where you will find it.