So why did for example Valve decide to use Qualcomm Snapdragon for Steam Frame and not some AMD APU?

I have seen speculation that mobile app architecture compatibility was part of it

	▲	shmerl 7 hours ago \| parent [-]
		I see. But aren't they emulating x86_64 on ARM64 there anyway? Can't they emulate ARM64 on x86_64 the same way?