Android has complete software package consisting of
an operating system, middleware layer and core
applications. Different from other existing platform like
iOS (iPhone OS), it comes with software development kit
(SDK), which provides essential tools and Application.
Using a Smartphone as the “brain” of a robot is already an
active research field with several open opportunities and
promising possibilities. In this paper we present a review
of current robots controlled by mobile phone and discuss a
closed loop control systems using audio channels of
mobile devices, such as phones and tablet computers. In
our work, move the robot upward, backward, left and right
side by the android application such as Arduino Bluetooth
RC Car.