Translated couple of strings, what is the next step?

translated couple of strings by myself & with help of others. username: leela52452.

do i need to merge request ?

Thanks for your contribution! The short answer is that once a translation is 100% complete, it will be included whenever new translations are included. For the complete details of the process, see:
https://f-droid.org/docs/Translation_and_Localization/