I found wrong API group name in elm_win and elm_glview and fixed them.
Why are you changing all the verbs here? I am a neither a native speaker, but I think set ... sounds more like what we want.
All the changes to add @brief and groups are fine from my review.
Regarding singular of verbs, it was merged in my local tizen code which had been revised according to the internal Tizen doxygen API guideline. (In case of nonexistent subject in statement or Just start Verbs, Use singular expression. ...
Whatever happens, I updated the previous patches in order to correct wrong group name only.