RFTM ? Really ? That is your answer ...The whole point precisely the FM ....
Let us have a look at the the transactional app My Spend, for example :
Do we need HANA or not ? Is it also a transaction application exception ?
Let us have a look at the FM, what does it say ?
My Spend - SAP Fiori Apps - SAP Library
Now let us do some digging (GIYF as you like acronyms), fortunately I found this excellent blog :
Fiori : My Spend Application KnowHow
published byTejas Chouhan
Thanks to Tejan and his blog we managed to implement the My Spend Application.
I suspect am not the only one being confused by the FM ...