Hi, wanted to get a list of SAP Fiori apps which can work on ECC 6.0, EHP 8. Please share

Hi,

a. wanted to get a list of SAP Fiori apps which can work on ECC 6.0, EHP 8. Please share.

b. Will the apps workingin lower EHP will work in EHP8 as well

c. will PR view, PR approval, PO creation and PO approval work in ECC 6.0, EHP 8?