Create New Custom Fiori Application

Dears ,

     I need to create new SAP Fiori Application which will insert and read data from Z table .

I'm new in Fiori , I just implement standard HCM applications . can you guide me step by step how to develop that application and any other custom application will required .

I have getway 740 with sp-level 13 and backend system 740 .

I go to many posts but not found any of them helpful for me .

thanks