The "booster quest" is the heart of this game. I think that is why many players come into the game every day for that reason. I think the worst decision if you take this away from us.
The "90 mins game" quest is too much, I think. Almost for nothing'. Somehow I wasn't convinced. Let's change things, but millions of players don't play here. Keep in mind that there aren't as many online players at the same time in the game as to not get bored at a glance. I mean playing 90 minutes every day.... a little worrying in the long run