No. Gionee A1 Lite does not have a fast charging support.
Yes, Gionee A1 Lite does have gorilla glass protection.
No. Gionee A1 Lite does not have removable battery.
No. During our review did not find any major heating issue. However, since the mobile phone is made of Alluminimum Alloy body and has got huge 4000 mAh battery - you may notice some heating issue while charging.