Valve appear to have some pretty ambitious future plans for Steam, as we've seen recently in a leak (and not for the first time) that Valve has plans for ARM64 and Android support on Linux.
x86 emulation on ARM is likely foremost about expanding Chromebook support as currently only x86 Chromebooks can use Steam. Android emulation is probably about getting Oculus/Quest games on the in-development stand-alone VR headset.
x86 emulation on ARM is likely foremost about expanding Chromebook support as currently only x86 Chromebooks can use Steam. Android emulation is probably about getting Oculus/Quest games on the in-development stand-alone VR headset.
Nothing points to Steam games on mobile phones.