Guide not written yet. We add one after we've played the game. For now, this is the developer's own description.
Controls
Not listed by the developer.
About Merge Battle Tactics
Summon and merge creatures in a captivating fantasy realm where strategy is your ally. Engage in thrilling battles by combining monsters to create powerful warriors, balance your forces on the battlefield, and earn coins to expand your ranks. Will your tactical prowess lead you to victory?
Description supplied by the developer via GamePix.