UPDATE 2018: Hello Nilki Let’s Beauty Up Has Been Closed For Almost Two Years. There is a newer app available in English called Love Nikki Dress Up Queen which I reviewed here.
Here is some more info about Hello Nikki Let’s Beauty Up shutting down their English version:
The game I reviewed was actually Hello Nikki Let’s Beauty Up! Developed by Gamedreamers MY (maybe stands for Malaysia? I’m not sure, but the game was released in English by a chinese publisher named xiong xiang (at least on the IOS app store)