AFAIK, based on the wording, this law doesn't apply to farming.
This law concerns companies which pay out real currency in exchange for virtual currency, akin to "cashing out" of a poker game. It's there to target online gambling.
This law doesn't concern companies which pay out virtual currency when given real currency, which is more like paying real money for arcade tokens.
Then again, I don't read Chinese so I'm basing my understanding on someone else's translation. Grain of salt and all that.
