New Baby Brother Big Sister is a free iPhone game developed by Kids Games Studio LLC. In this game, players can experience the excitement of becoming a big sister to a little baby brother.

The game offers various levels of gameplay, starting with caring for mommy and sister at home. Players can enjoy delicious food and dress-up activities. As the game progresses, players can also dress up the nurse, decorate the newborn baby boy room, and engage in a Princess Fairy dress-up party salon.

Additional levels, such as changing the baby's diaper, feeding him, and bathing him, are available for purchase. The game also features a baby bedroom with dolls, toys, and a music box, as well as a park for dress-up and toy adventures.

Please note that New Baby Brother & Big Sister is free to play, but offers in-app purchases for game items. Users have the option to disable in-app purchases if desired.

For more information about Kids Games Studio's privacy policies and terms of service, please visit their website.