Yes, since Micromax Canvas 1 runs on the latest Android 7.0 OS - there is multi windows support.
Yes, Micromax Canvas 1 is a true 4G VoLTE mobile phone.
Yes, Micromax Canvas C1 does have the wi-fi hotspot function.
No. Micromax Canvas 1 does not support fast charging.
Micromax Canvas 1 has 5-Inch HD IPS display. It has 1280 x 720 resolution and produces 294 PPI resolution. Notably, the phone has 400 nits of brightness which provides cleaner and sharper images. It also has 2.5D glass.