About versions for mobile agentry apps (SAP Inventory Manager )

Hello,

Long time no posting here! Well, I have a question and I need help from the community.

I know the agentry app SAP Inventory Manager 4.0 is out of Mainstream maintenance, but I was wondered if this version is compatible with SAP Mobile Platform 3.1.x OnP version?

I think the answer is no and the person have to upgrade the app version to at least SAP Inventory Manager 4.3 if they want to stay in an all OnP landscape (mobile server y backend server), but I want to confirm this with the experts. Thanks in advance for the help

Best regards,

Mariana