Plenty of people use smartphones to capture serious video. With the Viewflex VF-H5 Smartphone Rig, you can do even more with your smartphone. It comes with dual handles and a hot shoe mount for attaching a microphone. You can also attach LED video lights and other video gear.
The VF-H5 has a clamp that fits smartphones from 54mm to 95mm wide. You can assemble this with one or two handles depending on the situation. You also get a one-touch Bluetooth remote with this kit.[where to get it]