If you are unable to find the WiFi_CAM app on the Google Play Store for your Samsung Galaxy A10e (Model SM-S102DL), here are steps you can take to troubleshoot and potentially resolve the issue:

1. Check Internet Connectivity
Ensure that your device is connected to the internet. You can do this by trying to open a website or another app that requires internet access.

2. Update Google Play Store
Ensuring the Play Store is up to date can resolve various issues:
- Open the Google Play Store app.
- Tap on the profile icon at the top right.
- Select Settings > About.
- If there’s an update available, follow the prompts to update.

3. Clear Google Play Store Cache and Data
This can help fix problems with downloads:
- Go to Settings on your phone.
- Tap on Apps (or Application Manager).
- Find and select Google Play Store.
- Tap on Storage.
- Click on Clear Cache and then Clear Data.
- Restart the Google Play Store and try searching for the WiFi_CAM app again - learn more.

4. Check Device Compatibility
Some apps are not available for certain device models. Ensure that WiFi_CAM is compatible with your phone. You can check this on the app's website or forums discussing app compatibility issues.

5. Alternative App Stores
If you still cannot find the app in the Google Play Store, consider checking alternative app stores such as the Galaxy Store or F-Droid.
- Go to the Galaxy Store on your device and search for WiFi_CAM.

6. Reboot the Device
Sometimes, a simple reboot can resolve lingering issues. Turn your Samsung Galaxy A10e off and back on to refresh the system.

7. Factory Reset (as a last resort)
If you tried everything and still can’t access the app, consider doing a factory reset, but make sure to back up your data first.
- Go to Settings > General Management > Reset > Factory data reset. Follow the prompts to reset your device.

If these steps do not resolve your issue, consider visiting a local Samsung store or service center for further assistance. It may also be helpful to check online communities or forums for specific advice related to your device and the WiFi_CAM app - learn more.