Recently Nagendra has been creating simple instrumentation Apps to monitor transducers and control actuators. These Android Apps can connect to Arduino micro-controller devices through Bluetooth and Wi-Fi. He has been experimenting with infrared sensors, barometric pressure, ultrasound sensors and display these data on a smart phone.
If you have a need for any Android Apps to control devices he would like to take up the challenge, please feel free to discuss with him. You can send an email to yarltechnologies@gmail.com