You can install the Nielsen Mobile App from the Settings application
Download the App: On your device, open the Google Play Store and search for "Nielsen Mobile App." (button below). Alternatively, you can click "Install the app" from your account page on your Android device.
Open the App: Once the installation is complete, find and tap the Nielsen Mobile App icon in your app list to open it for the first time.
Sign In: You'll be asked to enter your login information. Use the email address you provided during enrollment as your username, and the same password you created for your account.
Accept Agreements: Review the Software License Agreement and Privacy Policy, then tap Accept to continue.
Enable Usage Tracking: A prompt will appear asking you to allow the app to collect usage data. Tap OK to go to your device's settings. Find the Nielsen Mobile App in the list and switch on the toggle to allow usage tracking.
Confirm Installation: You will be taken to the app's main screen, which confirms that the app is now installed and active.
Tip: Want to check that your Nielsen Mobile App has been properly installed? Open the Nielsen Mobile App and tap on the Panel Status tab. If you see "Active" then you're all set! If you see an "Action Needed" message, please press the "Help" button to contact the help desk in order to resolve the issue.
You can uninstall the Nielsen Mobile App from the Settings application
1.On your device, go to Settings.
2.Select ‘Applications ’.
3.Find and tap on the Nielsen Mobile App.
4.Tap on uninstall to begin the uninstallation process.