Hi there! It sounds like you're experiencing an issue with accessing Minecraft after purchasing it from the Google Play Store. Let’s work through this together to find a solution.

1. Confirm Payment Status: First, let's ensure that your payment was completed successfully. You can check your purchase history in the Google Play Store app. Go to "Account" and then "Order History" to see if Minecraft is listed there.

2. Check Internet Connection: Make sure your device has a stable internet connection. Sometimes, connectivity issues can cause problems with app recognition.

3. Force Stop and Reopen the App: It can help to force stop Minecraft and then reopen it. You can do this by navigating to "Settings" > "Apps" > "Minecraft" and selecting "Force Stop."

4. Clear Cache and Data for Google Play Store: Another effective step is to clear the cache and data for the Google Play Store. Here's how:
- Go to "Settings."
- Tap on "Apps & notifications."
- Select "Google Play Store."
- Tap on "Storage" > "Clear Cache" and "Clear Storage."

5. Reboot Your Device: After performing these steps, restart your device to ensure all changes take effect.

If after trying all of these you're still seeing issues, please let me know, and we can explore further avenues or escalate to support if necessary. There's also an article on troubleshooting installation errors that might be helpful: Troubleshooting Minecraft Installation Errors on Android Devices.

Are you satisfied with the solution I provided, or would you like more help?