If you are a busy multitasker but you don't like how loud everything is when you use your Bluetooth, the SpeakerPhone app for Windows Smartphone is for you. This simple freeware automatically puts calls on speaker when you answer your mobile phone.

You simply turn on the application and leave it on in the background for as long as you wish to have your calls automatically set to speaker. When you wish to resume regular usage, you turn SpeakerPhone off. This is great for when you are driving or working at the computer.

Download SpeakerPhone for Windows Smartphone here.