Some steps to get the app running properly:
- If your device is on android 4.4 or lower we suggest you use www.ebay.com in the browser
Android 5 and above:
- Perform all system updates on your device
- Update Google Play Services
https://play.google.com/store/apps/details?id=com.google.android.gms&hl=en_US
- Uninstall the ebay app and then install the latest version of the ebay app 5.3x.x from Google Play
