If you want to control you pc via mobile phone, Bluetooth Remote PC is an android app that will allow you to remotely control your PC. You can control your programs from limited distance. You can control mouse, keyboard, multimedia etc.
For connection download the server to your computer a turn on your Bluetooth on the PC. Extract downloaded file and launch Remote PC Server.jar. Run application in your mobile and paired the devices.
It will supports Windows 7,Windows Vista,Windows XP,Linux and Mac OS X operating systems.
Download Bluetooth Remote PC click here