Hi there! I’m sorry to hear that you're having trouble downloading the Dunkin' app. That can definitely be frustrating. Let’s work together to get this sorted out!

First, could you tell me if you're getting any specific error messages when you try to download the app? Or is it simply not starting the download at all? Also, are you trying to download it over Wi-Fi or mobile data?

In the meantime, here are a few basic troubleshooting steps that might help:

1. Check Your Internet Connection: Make sure you're connected to a stable Wi-Fi network or have a good mobile data connection.

2. Check Storage Space: Sometimes, not having enough storage space can prevent downloads. Go to your device settings and check how much space is available.

3. Restart the Google Play Store: Close the Google Play Store app completely and then reopen it.

4. Update Android OS: Ensure your device is running the latest version of Android 10. You can usually find this in your device's settings under 'System' or 'About Phone'.

5. Clear the Google Play Store Cache: Go to Settings > Apps > Google Play Store > Storage, then tap on 'Clear Cache' and 'Clear Data'.

Please try these steps, and let me know how it goes or if you’re encountering any specific errors!