This guide will help you getting started with setting up a development environment for the Crazyflie Android client, running the app from source code and contributing code.
If you have problems installing the ADT environment or setting up the emulator you might find some help here:
git clone https://github.com/bitcraze/crazyflie-android-client.git
More info about USB drivers, developer options and debugging setup can be found here:
Bugs and feature requests should be added as GitHub issues: https://github.com/bitcraze/crazyflie-android-client/issues