Yes, Nokia 2 does have the dedicated MicroSD card slot.
Nokia 2 does come with 2A output fast charger.
Yes, you can use Nokia 2 as wifi hotspot.
Yes, Nokia 2 comes with Corning Gorilla Glass 3. It is scratch resistant.
It's not a bad phone, this Nokia 2. It's just that there's only so much you can do within a budget this tight.