THIS IS A GUIDE FOR SETTING UP EMULATORS FOR SYSTEMS NOT SUPPORTED BY RETROARCH ATM! USING THIS METHOD YOU WILL BE ABLE TO REMOTE PLAY TOGETHER EMULATORS TO PLAY WITH FRIENDS!

Step 1: Find a game with a small download size that supports Remote play together (HYPERFIGHT or Brawlhallia)
Step 2: Open the Program files (x86)>Steam>steamapps>common>(Game you picked), once in there rename the game exe (ex. HYPERFIGHT.exe>HYPERFIGHT1.exe)
Step 3: Download then extract the emulator of your choosing into the file in step 2, and rename the .exe back to the orignal name in step 2 (ex. rpcs3.exe>HYPERFIGHT.exe)

Just like that you are set! Once you boot up a game in the emulator you should be able to shift +tab and invite your friends!