At first, you get lots of gems. However after a few minutes, you start to only get 10-20 gems per level. After this you get 1, then 0.1, then 0.01, then 0.001 It takes hours to get the requirements. If you do, you will need to watch 50 more adverts in 24 hours, if not your order is cancelled. If you watch these ads they still try to scrape up money by making you watch 24 ads or 24 hours of gameplay. When you do the ads, you get put in a neverending waiting list. It starts to go down but stops.