Additional features of BlueZ for Android
With the BlueZ 5.21 release the support for Android is now fully comparable with Bluedroid. Using BlueZ for Android enables additional features on top of it.
When using Bluedroid, you get support for Bluetooth 4.0 core technology and for HFP 1.5, A2DP 1.2, AVRCP 1.3, PAN, HID, HDP, OPP, MAP, PBAP and GATT profiles.
With BlueZ for Android you get additional support for Bluetooth 4.1 core technology and upgraded profiles including HFP 1.6 + Wideband speech, A2DP 1.3, AVRCP 1.5 and MPS. It also provides full integration for aptX(R) high-quality low-latency codec from CSR (codec license not included).
This is significant upgrade of features that are additionally supported and fully integrated. BlueZ for Android is a real value add proposition.
For the Bluetooth qualification of Android, the full documentation of PICS, PIXIT and PTS instructions is available available. This makes qualification easy.