We have covered a whole host of awesome motion control systems for cameras in the past. ShotArm is a robotic camera motion control system that lets you do more with your DSLR or phone. This robot can move along any 2D path and has 3 joints to rotate within a 600mm diameter circle.
The phone app lets you wirelessly control the position of the arm and record up to 20 key positions. ShotArm uses two LP-E6 batteries. It has horizontal and vertical load capacity of 2kg and 1kg. The companion app will be available for iOS/Android devices.