Galaxy s2 and Google nexus has Bluetooth Low Energy modules built in, but BLE is not enabled. For example, Galaxy s2 specs says it has Bluetooth 3.0, not 4.0. Is there a reason for this? Is it because android does not support this feature? Motorola RAZR does have Bluetooth low energy. It would be great if someone can shed some light on why android devices does not have much BLE devices. Thanks!