[Canon reeves]

I'm working on a project that requires me to be able to turn a key through a smart phone, this key only has an on and off position, and no start like a vehicle would. What I came up with was a servo facing the key that turns it, the real question I have is whether or not an Arduino is the proper tool for the job or not. I already looked into using a BlueTooth module on the Arduino but it doesn't have the range that I am looking for. What would be the easiest, and best system to control it? And if you can think of any other way to turn said key that doesn't involve pneumatics that would be great! Thank you!