Hey! Doodle is a free-to-play casual game developed by Gameduo for Android devices. The game is a simple yet engaging experience where players must defeat doodle monsters trying to escape their notebooks. The game is designed for players of all ages who enjoy rhythmical gameplay and cartoonish graphics.

The game features easy and addictive touch controls, allowing players to hit or dig their way through numerous doodle monsters with unique patterns. The graphic design of the game is simple yet outstanding, with colorful and playful visuals that perfectly match the game's theme. The game also features rhythmical game sounds that enhance the overall gaming experience.

Hey! Doodle is a combo-based casual game, where players can compete with others around the world through the game's ranking system. The game is perfect for those who enjoy casual gaming and want to have fun while competing with others.