The '행복한 엄마들의 세상 맘스스토리' app is a free Android application designed specifically for mothers, providing a wealth of resources and community support. Key features include informative lectures from experts on pregnancy, childbirth, and parenting, as well as a vaccination reminder service that helps parents keep track of their child's vaccination schedule. The app also hosts educational programs in collaboration with local hospitals, offering monthly sessions on various topics related to childbirth and newborn care.

In addition to educational content, the app fosters community interaction through features like a blog section for sharing personal stories and a forum for mothers to discuss experiences and advice. Users can also find reviews of postpartum care facilities, take advantage of free photo sessions at selected studios, and participate in various events and giveaways. Overall, this app serves as a comprehensive guide and support system for mothers navigating the challenges of parenting.