Hi there! I understand your SAKURA School Simulator game is turning off right after you launch it on your Android device. That definitely stops you from enjoying the game, so let's try to get it working.

Before we dive into fixes, could you tell me a bit more?
- Does the app crash immediately after tapping the icon, or does it load to a menu or ad first?
- Have you recently updated the game or your device software?
- Do you have enough free storage space on your device?

Meanwhile, here are some straightforward steps to try:

1. Restart your device: Sometimes a simple reboot can clear temporary glitches.

2. Clear app cache and data:
- Go to Settings > Apps > SAKURA School Simulator > Storage
- Tap "Clear Cache" first. If that doesn’t help, tap "Clear Data" (note this may reset some game settings).

3. Check for app updates: Make sure you have the latest version of the game installed from the official source.

4. Free up device storage: Ensure you have at least a few hundred MB of free space.

5. Reinstall the game:
- Uninstall the game completely.
- Restart your device.
- Reinstall the game fresh.

If the game shows an ad right before crashing, it might be related to an ad rendering issue that has been noted with the game in some cases1.

Let me know how these steps go and if the problem persists, I can guide you through some advanced checks!