Though you can't directly download "Fortnite" on an Android through the Google Play Store, there is a workaround.

Fortnite has finally made amends with Apple and returned to the App Store in Europe and the US. Additionally, it's also available on Android devices across several regions. Epic Games has created a ...

In the early days of the Apple vs. Epic Games legal battle, Apple banned the Epic Games developer account and all of Epic's titles, like Fortnite, disappeared from the App Store. ‌Epic Games‌' U.S.