Hi! I understand you're having trouble opening the PA Lottery Official App on your iPad—it just goes back to the home screen instead of opening properly. Let’s work together to get this fixed.

To start, can you tell me if you have tried any troubleshooting steps already, like restarting your iPad or updating the app? Also, do you have sufficient storage space available on your iPad? These details will help me guide you better.

Meanwhile, here are some steps we can try:

1. Restart Your iPad: Sometimes, simply restarting your device can clear temporary glitches. Press and hold the power button until you see the option to slide to power off. Turn it off, wait 30 seconds, then turn it back on and try opening the app again.

2. Check for App Updates: Open the App Store, tap your profile icon at the top right, then scroll down to see if an update is available for the PA Lottery app. Updating can fix bugs that cause crashes.

3. Check Available Storage: Go to Settings > General > iPad Storage. Ensure you have at least a few hundred MBs free to allow the app to operate smoothly.

4. Force-Close and Re-Open the App: Double-click the Home button to see open apps. Swipe the PA Lottery app off the screen to close it. Then tap the icon to open it again.

5. Uninstall and Reinstall the App: Long-press the app icon, tap 'Remove App’ > ‘Delete App’. Then revisit the App Store, download, and install the PA Lottery app fresh.

6. Check Internet Connection: Make sure your iPad is connected to a strong Wi-Fi or cellular network, as a poor connection can cause the app to fail on launch.

Your device’s iOS version (15.8.5) is compatible, so it shouldn’t be the cause here. If these steps don’t work, there might be a deeper app issue or temporary server problem we could look into next.

Let me know which steps you’ve tried or if you’d like me to walk you through any of them!