During ASUG in Orlando (May 17th - 19th) we are conducting usability testing for Commercial Project Management.
You can register under:
https://experience.sap.com/asug/ (Topic 3: Commercial Project Management)
This is a unique opportunity to meet the CPM Ux designer and product owners. You can work directly with SAP to help shape the future of CPM. In addition, it will give you in-depth insight into the planned Fiori apps for CPM for S/4H.