In the Himouto! Umaru-chan simulation game you will take care of Umaru while she is at home and pet her like a Tamagotchi. The game’s story around Umaru unfolds like in a visual novel when she’s outdoor.
Himouto! Umaru-chan: Umaru Training Plan will be released for the PS Vita in Japan on December 3, 2015.
Check out the Himouto! Umaru-chan: Umaru Training Plan Screenshots: