If google play(app) service unfortunitaly has been stopped on your andorid phone lets see some shorts steps may be help your problem

To break it down to you, you can:

1. Empty the cache for the Google Play Store in your settings

2. Delete Data

3. Uninstall Play Store updates

4. Clear cache for Google Play services

6. Activate the Download Manager which is in the settings under Applications as well.

7. Remove account and reinstate.

If these stes not work you can check out this page for your further problem http://www.tracingpage.com/blog/isp/google-app-not-working-on-android-how-to-fix-it where you can also find the technician support number talk to online assistance for more help.