音速少女隊 音速少女队2 音速少女隊2
A series(?) of smartphone games by Polygon Magic.

* Title: 音速少女隊 (Onsoku Shoujo Tai) - Photon Angels -
** Region: Japan
** Release: Apr 2015 (Beta); Aug 2015 (official)
** Closure: Nov 2015

* Title: 音速少女队2/音速少女隊2 (Yinsu Shaonu Dui 2) - Photon Angels 2 -
** Region: China
** Release: June 2016

photon angels