A Playnite extension that switches primary display and audio output in a fullscreen mode
Download latest .pext release, then drag and drop it onto Playnite window in a desktop mode
First, you need Visual Studio/Visual Studio Community with PlayniteSDK and NAudio packages installed. Then you can download latest source release or clone this repository, open SwitchDisplay.sln, build and move files from bin/Release into %appdata%/Playnite/Extensions/SwitchDisplay