Project Halium for the past several years has allowed various Linux distributions to build atop the likes of libhybris and other abstractions for running on hardware with Android pre-installed. This abstraction layer has been popular from KDE Plasma Mobile to UBports to Sailfish OS while now Plasma Mobile is discontinuing their support…
Source: Phoronix – KDE Plasma Mobile Drops Halium Support In Favor Of Open Devices