DonaldD -
Car Scanner Elm OBD2 will show much more D2 parameters than Torque.
This app has access to over 70 parameters of D2 engine: DPF soot in grams, DPF pressure, coolant temp, engine oil temp, AT temp, EGR error, MAP, MAF, turbo boost, fuel injector corrections, battery state of charge, charging current, etc. (setup "Settings-Connection-Choose connection profile: Volvo D2)
App has profiles for 5-cylinder Volvo engines, and 4-cylinder VEA engines, too.