This app was mentioned in 4 comments, with an average of 2.00 upvotes
Link - https://play.google.com/store/apps/details?id=com.WeLikeGames.BabyGrowth
Android - iOS
Infinite Growth is an Android game about that. You make a baby grow huge by feeding it.
https://play.google.com/store/apps/details?id=com.WeLikeGames.BabyGrowth&hl=en