Separate layouts for games
Different layouts for different games would make it so you would move the elements of your stream to not obstruct the game’s HUD.
It could also lets say:
When you switch to that scene, it updates your stream info for that game
When you update your stream info for that game, it switches to that scene.
This could also have separate layouts for, for example, streaming reactions to movies and shows, for example, streaming off of PowerDVD or other player software with automatic "Copyright Disclaimer" overlays.