The following steps are taken asper SAP Note 2796399 – Howto obtain Fiori App Version Information in the Launchpad. You can refer to the SAP Note for the updated information.
First of all, launch the Fiori Launchpad and as example, you want to obtain the version of My Leave Request. Click on the My Leave Requests.
Click on highlighted icon below and click on About.
The app version as below. You can click on other Fiori App and do the same steps as below.
