If you want to try something like this, install Moonlight on the Android phone, Sunshine on the PC, and buy a phone bracket for a gamepad like this one: https://www.aliexpress.com/item/1005010147090374.html

Used this setup to play Doki Doki Literature Club before it was ported onto Android. The downside is that you need an HDMI dummy plug to turn off your desktop's monitor without putting the GPU into standby.