It is very easy to post to your blog through mobile. Watch the video and you will understand every thing as this video is self explanatory and is created by blogger team.
Blogger has made it very simple to get your blog published through mobile as one just requires to send a message - which can either be a photo, text, or both - to firstname.lastname@example.org and they care of everything as they auto provide a new blog and publish the post. This auto published post published on new blog gets published on your blog after verification of a token number sent by blogger. Have a look at video and enjoy vacations without worrying for internet connection. The above video has been prepared for IPhone, however all phones can be used in similar fashion.