Blue Dragon Plus

From the Wikia:
"One year after the events of the original game, the world continues to embrace and explore the cube worlds that resulted from the opening of the planet's core. One day King Jibral and Zola encounter a mysterious evil dragon shadow at one of the cubes. Zola has a bad feeling about it and after informing Shu and the party, they find themselves on another adventure to discover this new threat."

Résumé

A direct sequel to Blue Dragon that takes place a year after the first games events.

The game uses a real-time strategy style with characters being moved around a map using the stylus on the bottom screen and fighting enemies when they are close enough to attack.