Apps not downloading or Error 500 on Android devices

If you are experiencing an Error 500 on an Android device when you try to download Appointuit following these steps should solve that problem.

1.Go to [Settings > Applications > Manage applications > Google app store] 

2.Click [clear cache] and [clear data]. 

3.Open Google Play store to install the app again.

Other solutions may be found at:

https://www.androidpit.com/how-to-solve-google-play-store-errors

http://www.digitaltrends.com/mobile/galaxy-s5-problems/

http://www.makeuseof.com/answers/download-update-apps-samsung-galaxy/

http://www.androidauthority.com/qa/question/having-problems-downloading-apps-from-the-google-play-on-my-galaxy-s5-lollipop