Valve has open-sourced Lepton, a compatibility layer that lets you run Android games on Linux through the Steam client.

It's meant for the Steam Frame, but could help non-VR games as well.

Valve have officially opened up the source code for Lepton, their compatibility layer to run Android games on Linux for the ...

Highly anticipated: Valve seems to be quietly working on expanding its gaming ecosystem to support Arm-based processors and Android. Recent developments spotted in Valve's Proton code on SteamDB ...

Innovation, but at a price.