Before using any of the Cloud services, we need to configure them in the Essential Kit Settings under cloud services.
Enable Cloud Services feature from Essential Kit Settings
If you are NOT planning to use Game Services along with Cloud Services, you still need to fill the Play Services Application Id entry in Game Services settings (and can disable it). This is because, on Android, Cloud services is internally dependent on Google play services.
Synchronize On Load
Enabling this lets cloud services to connect as soon as app is launched.
Setting this value allows you to control how frequent you want your data to get in sync with cloud servers.
Enabling Synchronize on load, on Android, may open google play services login if user isn't logged at-least once. So, it's good to call first Synchronize call as per your game requirements.