1. First open the little genius app on your phone, and then click More in the lower right corner.
2. Secondly, click on the Baby Address Book in the More box, select the Add icon in the upper right corner, and click Add Contact.
3. Finally, click "Start making friends". At this time, you have to choose the object to add friends, and the mobile phone will automatically search the list of friends that can be added nearby, and you can successfully add them.