Xtuner X500+ OBD2 diagnostic tool supports OBDII Diagnosis+ Oil Reset+DPF+Battery+ABS+EPB+TPMS+ IMMO+Injector functions. Here is the demo guide on programming key for Opel Agila year 2005 to 2007 by using Xtuner X500 pro scanner on Android phone.
Connect Xtuner X500 with Android phone via Bluetooth
Connect X500 with vehicle
Select Immo Keys function-> Opel->Agila->2005-2007
Select Program Transponder Keys
Xtuner X500 diagnostic tool requires to enter vehicle security pin code
Confirm pin code
Stop engine and turn ignition off
Insert non-programmed transponder key
Turn ignition on
Turn ignition off
Program more transponder keys?
Xtuner X500 scanner program Opel Agila key successfully.
Xtuner X500 OBD2 Scanner User Manual
p.s Xtuner X500+ Function and Menu Picture Display: