Hello,
Take our apologies for the delay in answering. 1), 2) You did no install the parent theme correctly. Check now. 3) Follow the docs and finish the translation of your site https://xstore.helpscoutdocs.com/article/30-base-theme-translation 4) We plan a new update very soon and the release of the XStore AMP plugin. So, follow our updates. 5) Read this post https://xstore.helpscoutdocs.com/article/100-how-to-speed-up-my-website
Regards
