No. Vivo Y93 does not have the in-display fingerprint scanner. Fingerprint scanner of the Vivo Y93 is located on the back side of the phone.
Yes, Vivo Y93 does have the virtual gyroscope sensor.
Vivo Y93 comes with 2A output power adapter, which is slightly faster than the normal chargers supplied with other mobile phones.
Yes, you can record slow-motion videos on Vivo Y93.