Valkyrie Anatomia: The Origin is the forth game in the Valkyrie Profile series and is set as a prequel to the first games story. It is a free-to-play mobile game with micro-transactions.
You move between points on a mission map that lead to battles, battles are turn-based, using an action meter, and requires you tap the character portraits to activate an attack and swipe the screen at the right time to use a special attacks if available. It takes time to recharge points used to move on the map and heal after battle. There are story cutscenes between missions.