Fortnite is the biggest Battle Royale game currently and its launch on Android may change how things are done. Epic Games CEO Tim Sweeny confirmed that the game will be exclusive to Samsung's upcoming Galaxy Note9. But the deal with Samsung doesn't end there. After the first month, Fortnite for Android will be available only through the Galaxy App store for the following 2-3 months. Some info from promo materials for Huawei's Honor Note 10 seemingly confirms the timing for the game's wide release. After the Galaxy exclusivity ends, Fortnite will still not be available on the Play Store....
Source: https://www.gsmarena.com/fortnite_could_remain_galaxyexclusive_for_months_after_galaxy_note9_exclusivity_ends-news-32611.php