A free app for Android, by Hirameku.

You should download this program called IQ Dungeon if you enjoy riddles and amusing animations. The adorable puzzle game IQ Dungeon is made to be played by players of all ages, making it accessible to everyone who wants to participate in the gameplay. In addition, this game contains a ton of features, including a variety of characters, the ability to combat goblins, enter dungeons, save and assist the princess, and more. This also offers excellent features like easy touch controls, enjoyable graphics, and background music. The fact that game is supposed to be free means that you don’t need to purchase a monthly membership in order to play it.