Not enough to do. Log in for 5 minutes just to have to watch ads for resources then log back off unless you pay for stuff. Typical $$$ grab. Update: changing to 1 star. They literally have a $20 "discounted" pack for limited time events. All packs are made to seem discounted when it's all overpriced and not worth it. Progression slows to a crawl after a while to try to force packs on you. Don't fall for it.