Yes, Gionee A1 Plus is made of Aluminium Alloy.
No. Gionee A1 Plus video recording is restricted to 1080p resolution. You can record Full HD videos but you cannot record 4k videos.
Yes, Gionee A1 Plus does have quick charging. It takes less than 2 hours to fully charge its huge 4550 mAh battery.
Yes, Gionee A1 Plus does have a gyroscope sensor.