What is Win + G keyboard shortcut for?

Popular programs using this shortcut

What this shortcut does in different programs?

1. Windows 10 - Open the Game Bar  
2. Android - Open Gmail  
3. Windows 11 - Open Game bar when a game is open  
4. Pop!_OS - Float/unfloat window (while stacking)  
5. Windows 10 Game Bar - Open Game bar when a game is open  

All programs

All programs using this shortcut, by category.