King of Math Jr 2 is an Android-based educational math game designed for children in grades K-3. Developed by Oddrobo Software AB, this game offers a fun way to learn math concepts through activities and puzzles. The game has a simple storyline where the player selects a character and travels from island to island, meeting challenges such as counting animals in the woods, matching up number friends, drawing dot-to-dot, coloring by numbers, completing patterns, and playing a memory matching game.

The game has three difficulty levels that cater to children of different ages and with different prerequisites. This feature makes King of Math Jr 2 well suited for children between 5-6 years, 7-8 years, and 9+ years. The game rewards players with stars, medals, and jigsaw puzzle pieces, providing additional encouragement to complete the stages of the game. The free version contains samples from all categories, while the full content can be downloaded through a one-time in-app purchase.