1. The company's stats backend was pwnd http://www.wooyun.org/bugs/wooyun-2015-099350 It has far less MAU than 270M. In fact it has only less than 10k DAU.

2. The way it works is by uploading everything under /data/misc/wifi/wpa_supplicant.conf to its server. See analysis here http://www.zhihu.com/question/23865652

3. It's totally scamware & spyware.