So you would like to use your smartphone or tablet as a ground station for your ArduPilot-based drones? The Bluetooth Bridge has you covered. The device works with 3DR radios (433 and 915MH) and RFD900. You will be able to use it with DroidPlanner & Andropilot.
The device has a range of about 1km and should work most Bluetooth tablets and smartphones. More info is available here.