Yes, Tecno Camon iAce does have the FM radio support.
No. Tecno Camon iAce does not have the fingerprint scanner.
Tecno Camon iAce has a scratch resistant display.
Tecno Camon iAce comes with 5V / 1.2A output charger in the box. It does not support fast charging like 2A output charger but the phone definitely charges faster when you use the original charger.