Yes, Gionee A1 Lite does support OTG.
Yes, Gionee A1 Lite does have IR Remote Controller.
If you consider the price of the phone - and if you are looking at higher ram with great battery - Gionee A1 Lite is the ideal choice. However, we feel that below are the disadvantages of Gionee A1 Lite
Not Full HD Display The display of the phone is not Full HD. It is 720p. However, it does provide decent performance even under direct sunlight.
USB Type C Most companies are not adopting USB Type C which is not used in this phone.
Lack of Quick Charging The phone does not support fast charging. It take almost 130 minutes to fully charge the big battery.
No. Gionee A1 Lite has 2 dedicated sim card slot and 1 dedicated MicroSD Card slot.