The app features four distinct yandere personality types: obsessive, possessive, dependent, and insane. Players can customize the character Yuna's appearance, with some outfits altering her voice.
The app allows players to repeatedly press a button to achieve the rare "Tenhou" hand in Mahjong. It features a "Kakuren" mode where specific tiles are fixed to increase the chance of achieving Tenhou.
The app allows players to manage a department store with a large farm, including fields, pastures, forests, mines, and factories. Players harvest ingredients, develop products, sell them in stores, and use profits to expand the department store.