My suggestion to you:
If you have the pressure for GC application, you can review this article,
but follow the following steps:
(1) check the website for the authors, see if they are expert in this field.
If they already published a large number of similar articles. Just raise
some tiny suggestions, e.g. figure plot style changes, the discussion should
be further improved and so on.
(2) if the authors are novice, find fault to reject it. This can be done
with the help of your friends who can dig