Hi there! Great to hear you're enjoying Vita Mahjong. If you're looking to take a break but can’t find the usual X button to exit or pause the game, I can help guide you through it.

Since you're on Windows with a WebKit-based browser, here’s what you can try step-by-step:

1. Pause the Game:
Vita Mahjong typically doesn't show an explicit 'X' button during gameplay. Instead, look for a pause menu, often accessed by clicking or tapping a menu icon (usually three horizontal lines or a small gear icon) somewhere on the screen. This should pause the game and give you options like resume, restart, or exit.

2. Use Keyboard or Browser Controls:
Since you're on Windows and playing through a browser with WebKit, you might try using the browser’s built-in controls:
- Press the Esc key to see if that triggers pause or brings up the menu.
- Alternatively, you can switch tabs or minimize the window; this should pause your game progress automatically.

3. Exit or Close the Game:
If you want to exit fully, try closing the browser tab or window. If the game has an in-app exit or back button, that would usually be accessible from the main menu or pause screen.

4. If None of These Appear:
Some versions may not have a visible pause or exit button during a game session to encourage continuous play. In such cases, simply leaving the game window/tab will pause progress until you return.

If you want to see an exact visual guide, there are recent videos demonstrating how to pause and resume the game for Vita Mahjong—those might help clarify the steps with visuals (like this one 1).

Did you spot any menu icons or buttons on your game screen? Or have you tried pressing Esc or switching tabs yet? I want to tailor my guidance based on what you've already attempted.