Hi Srinivasa
1. Fiori:SAP Fiori is the design language that brings great user experiences to enterprise applications. Based on user roles and business processes, SAP Fiori simplifies doing business. SAP Fiori is a paradigm shift away from monolithic ERP solutions towards light-weight apps tailored to the users’ tasks. To accelerate the transformation of the world’s digital economy, SAP is applying this design language to leading technology platforms.
2. SAPUI5: is html5 based Ui framework which contains APIs to build apps.
3.SAP Mobile Platform is a platform to build and deploy mobile apps.