Yes, Tecno Camon iSky2 has a dual rear camera set up. The primary rear camera is of 13MP and secondary rear camera is of VGA resolution.
Yes, Tecno Camon iSky2 does have the FM radio support.
Tecno Camon i Sky2 comes with 5V / 1.2A output power charger.
Yes, Tecno Camon iSky2 does have the fingerprint scanner and also has face unlock function.
Both rear and front camera of 13MP has f/2.0 aperture.