download kingo android root its free to download search it on google ... you just need to enable usb debugging on your android and connect it to pc when the android connected open the kingo android root just click root and wait until your android was rebooted.. and now you have a rooted android.
I haven't explored the Gear and Gear Fit SDKs, so I can't speak to any potential utility there. AVDs (i.e. the emulator) do not support Bluetooth adapter pass-through unfortunately.