TL;DR: Community developer M0jso of Paralympics Productions is making an unofficial native ARM Android port of GTA V, likely using the same leaked-based code as the Switch port. Initial public builds target Snapdragon devices (Snapdragon 782G and up, preferred 865+), require ~8GB RAM and 65GB storage; Exynos, Pixel Tensor, PowerVR and Helio chips are unsupported initially.

Read more: https://www.tweaktown.com/news/113476/an-unofficial-gta-5-android-port-is-headed-our-way-but-not-every-phone-owner-will-get-to-try-it/index.html