Hi, this is good starting point: https://forums.unrealengine.com/comm…with-blueprint
Also another essential step is the following addition to YourProject.build.cs:
if (Target.Platform == UnrealTargetPlatform.Android)
{
PrivateDependencyModuleNames.Add(“OnlineSubsystem”);
PrivateDependencyModuleNames.Add(“OnlineSubsystemGooglePlay”);
}