SAP Fiori is a new user experience (UX) for SAP software and applications. It provides a set of applications that are used in regular business functions like work approvals, financial apps, calculation apps and various self-service apps. ...
It is because Fiori means 'flowers' in Italian.
SAP Fiori launchpad is a shell that hosts SAP Fiori apps, and provides the apps with services such as navigation, personalization, embedded support, and application configuration. SAP Fiori launchpad is the entry point read more to SAP Fiori apps on mobile and desktop devices