In the box of Tecno Canon I, you will get Mobile Phone (with battery), USB Cable, USB Power Adapter, Earphone, Free Back Cover, Applied Protective Film, Sim Ejector Tool and a User Manual.
Yes, Tecno Camon I - does support App Clone. You need to download it from Google Play Store.
Yes, Tecno Camon i has the front camera LED flash.
Best is always a relative term. While asking for the best, you should also look at the price of the phone. Tecno Camon I has 1.25GHz MediaTek MT6737 Quad Core processor, which is quite popular among the mid-segment phones. In addition Tecno Camon i has ARM Mali T720 MP1 GPU.