With Unity Remote 4, you can use an iOS and Android devices to view and test your game live, right inside the Unity Editor 4.5 or later.
This tool is provided as Unity package. Create new project, import this package and deploy to device. Launch it on device and open your game under development in Unity Editor. Go to Edit->Project Settings->Editor and under Unity Remote select what device to use. In editor click Play button to start your game. For more details, please visit Unity Remote 4 documentation page on Unity 4.5 manual.
