Memory, concentration power puzzle! Addition, subtraction, and arithmetic education for both boys and girls! Youth concentration education! Adults prevent dementia! 1. Recommended for boys and girls! Children : You can learn addition, subtraction and have fun with the game. Youth : When you want to take a break after a few seconds of hard study, you can also refresh your mind and reinforce your concentration with this educational game. Adults : Dementia prevention is important not only for the elder but also for young men and women. Prevent dementia with memory training. 2. Various stages and infinite play modes! The 360 stages and the two infinite play modes are not complicated and everyone can easily play and enjoy. There are several stages where you have to complete a sum with a given line or complete a sum in a limited time. The mode of remembering the disappear numbers and making a sum will train your brain. 3. Brain rating test! Brain Score analyzes the game pattern of a user and calculates brain score with five items such as arithmetic ability, quick calculation, memory, concentration, and curiosity. Check to see what rating your score belongs to. Facebook https://www.facebook.com/dmongs/ Twitter https://twitter.com/dmongs [Required Permissions] WRITE_EXTERNAL_STORAGE : Save screenshots to external storage for sharing. Store advertisement resources in external storage. READ_EXTERNAL_STORAGE : Import screenshots from external storage for sharing. Transfer advertisement resources from an external storage.