Don't install. It's a cash grab. Everything's ranked, literally, everything--and at ridiculously high amounts vs what you can earn. If you want to progress through the story, be prepared to spend your rent money, because that's ha w expensive it is, esp with 'events', which last for one week and require several hundred dollars (no joke) to complete. Even if you do buy in-game diamonds, they're not worth anything. They get you the same low-level gear you'd otherwise get. Not worth it.