Here is a DSLR style smartphone grip that lets you do more with your smartphone camera. The ShiftCam ProGrip has an ergonomic design. It comes with a Bluetooth shutter button. Its rotating phone mount lets you switch from landscape to portrait position without changing your grip.
The ShiftCam ProGrip is compatible with ShiftCam lenses. It also comes with a cold shoe mount and tripod mount. Its wireless power bank lets you capture more footage.