1. Could you send me the URL of your website? (via PM or to
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)
Usually, a blank page means your desktop page consists of menu modules without any component content, and those modules should be "proxied" to the mobile template via "Mobile - Proxy position" module (or, separate modules via "Mobile - Proxy Module" module).
2. Greyed menu items are not of the "component" type (i.e. menu aliases, external URLs, etc.). Anyway, note that you can type any URL in the "Force as home page" field.
3. You can see premium templates on
demo.mobilejoomla.com/. The Mobile_Basic template has the same "core" with a few removed features, so if your website works well with it, it's 99% it will work with premium templates as well. The Mobile Pro and premium templates are sold separately, but we have the Club subscription that gives access to both Mobile Pro and all premium templates.
4. It's possible to create your own template color style (see
www.mobilejoomla.com/blog/254-bepaint-your-mobile-template.html). I know that the documentation is not ideal (and may be outdated in some places), and most likely we will work on it after the release of Mobile 3.0. Pro and Club subscribers have access to the Insider's Guide (PDF book), but it was written in 2015 and the chapter related to testing of websites is a little bit outdated (I guess nowadays nobody tests websites in Windows Phone or Blackberry emulators).
PS. I don't see a screenshot attached. Could you try to do it again, or send it to
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?