1, Open Huawei App Store
2, Search for "Google Play Services" and Install it
3, Install "Google Play Store" as well
4, Then in the search bar search for "google"
5, Press the image that shows many products of google, like chrome, gmail, hangouts, google plus
6, From there download the Calendar Sync that has an icon of a calendar and the Contact Sync that has an icon of person.
Now you can download apps from Play Store, Sync Contacts and Calendar.