emmykk on "[Theme: Leaf] how to achieve the home and blog page like the demo"

dear bradthomas
i like your theme is clean and am here to use it achieve my blog design but i have some questions.
1.why is there no documentation for this theme.
2.if i tick the google font at the leaf option session in the dash board and save what will that achieve.
3.do i still need SEO plugins and WP-pageNavi? since the theme has in built pagination and SEO optimised?
4 my test site is http://gethotinfo.com am trying to set it like the demo yet as the time of this post. the procedure
of dashboard->page->using defualt template attribute-> publish,
then another page name blog, but attribute blog-then publish.
then setting home for at frontpage under reading is not working even setting latest post is not working am not seeing the slide help me i beg