GNU/Linux Fedora 42 Installing Android 9.0 Emulator Guide
The linked tutorial shows you step-by-step How to Install Android 9.0 Pie Emulator Virtual Machine in GNU+Linux Fedora 42 desktop – Step by step Tutorial.
And this is the easiest way to dispose for Free of a nicely performing Android 9.0 Emulator on Fedora for running & testing Android Apps on GNU/Linux.

Android 9.0 Emulator Fedora 42 VirtualBox VM Setup