I'm having the same issue. Trying to get bluetooth to work with Dynavin D99(android).
Same as you, I am also aiming to pair OBD2 ELM327 and to get Torque running.
Status so far;
Targus 4-Port Mobile USB Hub ACH111EU/n2953 (working)
Trust Bluetooth 3.0 USB Adapter 17772 (not working)