I can't remember the name, or the author or a lot about the book.
It was a children's book, I read it around 2010-2011, the illustrations were very pretty, almost watercolor-like, a lot of pink and pastel colors.
Most of the story I remember is that the setting was an utopian future, the girl and the robot are in some place resembling a museum.
The robot is a female-like android, she has her eyes covered by a visor, she's part of a line of robots made to raise kids, she can answer and ask questions.
I remember a part where the girl asked about the past, and how children had parents back then, as in this future, kids are artificially conceived and born in incubators to ensure better characteristics, as explained by the robot.
*There are no aliens in the story, it is implied they're in earth, but in the far future
*It was kind of a short book, the illustrations filled the page and had small paragraphs of text
*I'm almost sure the girl had red/pink hair
*I have to point out, i'm mexican, but most children books are a translation of european or american books