If you cannot connect to the MicroBit using the examples in the plugin documentation.

If not, go to plugins in the DroidScript menu and install it.

More about the plugin at BBC micro:bit

Instructions for flashing it can be found http://www.microbit-js.org

If necessary, go into the Bluetooth settings of your Android device and turn it on

Make sure your MicroBit is connected to a power source. This can be battery or USB.

If you are having troubles, it is worth disconnecting the power for a couple of seconds to reset the MicroBit.

Look in your phone/tablet Bluetooth settings to check that the MicroBit does not appear there.

If it is there, go into the settings (gear wheel) and choose forget