As I, apart from the members of the Honourable Society of Spammers, am the only person alighting on these pages, this is largely a note to self.
The trick to accessing blogspot posts on a Windows Phone is refreshingly simple.
Take the web address which appears in your browser, for example:
... and change that last digit of 1 to a 0. Hit return, and that's it! Google's under-investment in Blogger technology successfully papered over.