Kadokawa and AltPlus has announced the pre-registration event for their upcoming mobile game Yuki Yuna is a Hero: A Sparkling Flower (結城友奈は勇者である 花結いのきらめき). If you like Chain Chronicles type games, you should definitely take a look at this one.
Yuyuyui (short-form) is a game based on the Visual novel / Anime, Yuki Yuna is a Hero. From the screenshots, the game feels like a Chain Chronicles type strategy game where Players will need to defend the lanes and prevent monsters from getting past you.
Pre-register for the game now and get yourself a SR Washio Sumi card when the game launches!