Create an transaction code for generated program of query.Create an fiori tile for that transaction code using below URL.https://blogs.sap.com/2021/01/27/adding-custom-program-to-fiori-launchpad/
Veena,In S4 bex queries will be based on CDS views. Extend the CDS views and fields will be automatically available in standard app and it won't require any maintenance of new tile.