A free program for Android, by Mega Combat Studio.

Clash of Legions is a real-time strategy (RTS) game with epic human battles against orcs. Build your legendary army with unique units, items, and strategies to achieve victory on the battlefield. 

In this open world, you can unleash finding species that seem to be only in legends, such as Dragons, Orc, Dawrf, Elf, Taurent, Troll, and Undead. Conquer and use them for strategies that only you know to achieve your armies ultimate goal of victory on the battlefield. 

The open world is an RPG game with a story that you can experience with an open world. There are many quests that you can complete to get rewards.