Just downloaded it. The game is quite easy right now, I can just auto-battle.
However, I don't know if it is because I play on my iPhone 4S, but the game is slow outside of combats. It's kinda laggy, making navigating between the menus a chore. Am I the only one with that problem?
No, the game is a piece of shit codewise. The UI is terrible, both in terms of design and in the implementation. I dunno what you can do to improve it on an iPhone, but on Android turning on Forced GPU 2D Acceleration helps.