Between huawei phones yes but not from note 5 to mate 10. Apps got transferred but data will be lost especially WhatsApp and Viber cannot do this way.
This method is good also to backup your apps and data in event next time you want to reset phone, can use this method to restore.
whatsapp gotta do separately but other stuffs got transferred over.
like contacts, sms, even calls history, photos etc... all can transfer over.
when i was doing my recontract at singtel, i just pass both my fones to huawei promoter and he helped me transferred everything over, but whatsapp he do seperately. so i was at the counter doing my recon while the phone clone was in progress.
everything was done even before i went to make payment.