Well, they support language switch to Chinese, chinese characters, so likely operate in China. (too lazy to see if I can VPN to a chinese IP to see if the google play store shows Shop Heroes then...)
Would be nice to know chest, bag, quest loot etc. odds.
No idea how practical that law will be with things like apps that haven't been updated in months/years, would each and every RNG call need to have its possible results published or only ones where you spend premium currency?
as of 2016-09-11: Player level: 44, City: Eolythes, Blueprints: 517, Mastered: 419, Crafted: 78.61K
(except for tier 1 and some tier 2 artifacts mostly running my shop/gearing self sufficient)