Meet Vertical 1: a camera controller for your drones that helps you film amazing aerial videos like a pro. Vertical 1 lets you control your camera angles. Just touch on any subject on your tablet during flight to keep your camera focused on it. The product is rugged and lightweight. The below video should give you a better idea how it works:
Vertical 1 is compatible with DJI, 3DR, and Freefly solutions. More information is available here.