Hello! I understand you're having trouble downloading the PickMe Driver App on your device. Could you please tell me a bit more? For example:
- Are you trying to download it from the Google Play Store?
- Do you receive any error messages, or does the app just not show up?
- Is your device asking for any specific permissions or indicating incompatibility?

This info will help me guide you better.

Meanwhile, since you have an Android device (version 10) using a WebKit browser, here are some initial steps you can try for downloading the PickMe Driver App:

1. Check Google Play Store Compatibility:
Go to the PickMe Driver App page on Google Play Store and verify if your device is recognized as compatible. Sometimes older or rooted devices might show as unsupported.

2. Clear Play Store Cache and Data:
- Open Settings > Apps > Google Play Store
- Tap Storage
- Tap Clear Cache and then Clear Data
- Restart the Play Store and try again.

3. Update Google Play Services:
Ensure your Google Play Services is updated to the latest version, as it's vital for app downloads.

4. Check Storage Space:
Make sure you have enough free space on your device for the app download.

5. Try an Older APK Version (Careful with this):
If the Play Store version doesn’t work, you might try downloading an older version from a trusted site like APKPure, but only if you are comfortable with manual installs. APK from external sites can have security risks, so ensure you trust the source. Here is a link for older versions: PickMe Driver APKPure

6. Region or SIM Restrictions:
Some apps restrict downloads by region or SIM card. If possible, make sure your SIM is active with Sri Lankan mobile service as PickMe may require it.

If after these steps the issue persists, please share any exact errors or behaviors you see, so I can assist further or escalate as needed.

Are you able to try these steps and let me know how it goes?