Bluetooth 4/LE in AOSP is a big deal, since there are lots of end-user devices (Fitbits, etc) that won't work with Bluetooth 2. Android had really fallen behin

Bluetooth 4/LE in AOSP is a big deal, since there are lots of end-user devices (Fitbits, etc) that won't work with Bluetooth 2. Android had really fallen behind there.