Netmarble's Monster Tamer is a very popular Action RPG that has over 1 million downloads so far. One of Monster Tamers unique features is the ability to swap out characters instantly during battle. For example, if one of your characters or monsters is low on HP, you can tap the icon on the upper left hand of the screen to switch the character you want to play. The game offers a wide variety of playable characters and a huge selection of monsters. This game was actually developed by Seed9 the same company that created Ghosts'n Goblins Online.