Azure StorSimple became available through CSP in February 2017.
A reminder of what StorSimple is: a hybrid storage solution which can be deployed as a physical device or a virtual appliance, where active data is stored on-premises and cool data is pushed to the cloud.
It’s currently just the StorSimple Virtual Array that’s available through CSP and there’s an excellent article from Microsoft that explains all: http://bit.ly/2oQTnDT.
If you’ve got a particular question you may find your answer in the useful FAQ here: http://bit.ly/2oY5ayO.