HAL9000 Chatbot descripción

HAL9000 Chatbot
* Say "tell me a joke"
* Voice recognition chatbot
* Robot responds using default TTS Engine
* Say "Learn ..." to teach it something e.g. Learn the sun is hot
* Say "play 20 questions"
* Say "horoscope"

Permissions:
android.hardware.microphone - voice recognition
android.hardware.wifi - communication to backend chat service