Sensors A sensor is a device, module, or subsystem whose purpose is to detect events or changes in its environment and send the information to other electronics.
Accelerometer, gyro, proximity, compass
Messaging SMS (short message service) is a text messaging service component of most telephone, internet, and mobile-device systems.
SMS(threaded view), MMS, Email, Push Email, IM
Browser A web browser is a software application for accessing information on the world wide web.
Java JAVA is a Runtime Environment or platform of application where particular apps can run it.