That feature set is available owing to the ability to send and receive data (including new apps), not whether or not it does more than act as a phone. “Feature phones” also had the ability to do more than just make phone calls. Again, it’s the advanced data transmission functions that make it a smart phone.
However, this is almost beside the point. Most “smart” devices are given that designation due to the ability to adapt how they operate based on… wait for it… tracking user’s habits.
