Hello! I see that your Vita Mahjong game has disappeared from your device. Let's figure this out together. Just to clarify, did the app icon vanish from your home screen or app drawer, or are you unable to find or reinstall the game on the Google Play Store? Also, have you recently updated your device, made any changes to app permissions, or cleared app data?

Meanwhile, here are some simple steps to start with:

1. Search the App Directly: On your Android device, open the app drawer and try typing "Vita Mahjong" in the search bar. Sometimes the icon may be hidden or moved to a folder.

2. Check Google Play Store: Open Google Play Store and search for "Vita Mahjong". If it shows up, check if it says "Install" or "Open". If "Install" appears, reinstall the app. If the app is not available, it could be a temporary issue or regional restriction.

3. Check Disabled Apps: Sometimes apps get disabled accidentally. Go to Settings > Apps > See all apps > look for Vita Mahjong. If found and disabled, enable it again.

4. Clear Cache of Google Play Store: Sometimes the Play Store cache causes issues with app visibility.
- Go to Settings > Apps > Google Play Store > Storage > Clear Cache.
- Then restart the Play Store and search again.

5. Restart Your Device: Sometimes a simple reboot can resolve app visibility glitches.

If you have tried some of these or the app still does not appear, please let me know which steps you’ve taken, and I can guide you further. Also, if you tried reinstalling and it fails, tell me what error messages you are seeing.

Looking forward to your reply so we can get your Vita Mahjong back!