Fortnite removed from the Play Store and App Store: Epic is because Google and Apple @BitFeedCo.

In spite of belonging to two universes, the different software, the Play Store and the App Store have different guidelines and rules the same, first of all the need to do all the payments for the purchases (traditional and in-app) through their payment system, so that both Apple and Google can carve out a slice of the 30%. This behavior apparently monopoly of the two you are clashing strongly with some of the everyday reality, such as Netflix, Spotify, and Fortnite.

About Fortnite, after…