Integration of new app in next cloud

I want to integrate a new application into next cloud. Can I do that? If yes what is the exact process to be followed. Can someone help.

Generate the app from and extract it into apps/

Then take a look at (tutorial and app dev docs are currently reworked). For further questions ask in #nextcloud-dev on and be patient until you get your answer (can take seconds up to several hours if everyone is busy)