iKeyboardRemote is giving you a controlling box contents with playing, stop, continue buttons and will make Music you play on your device follow responsively for whatever button you hit using your computer's mouse.
iKeyboardRemote is a free app for Mac, before using it you need to firstly pair your device with your Mac computer and it takes Bluetooth connection. However some users claim you will get better performance of this app if it connected over wifi.
Are you interested to give iKeyboardRemote a try? Then head to iTunes store now.