If a customer wants to develop their own custom application and integrate it with SAP S/4HANA Cloud Public Edition, what tools would you recommend to develop the app? Note: There are 2 correct Answer to this question.

If a customer wants to develop their own custom application and integrate it with SAP S/4HANA Cloud Public Edition, what tools would you recommend to develop the app? Note: There are 2 correct Answer to this question.
A . SAP Business Application Studio
B . SAP Cloud Portal Service
C . SAP HANA Cloud
D . SAP Build

Answer: A,D