it points to greater accessibility
Today this function is starting to be officially distributed to all owners of Android terminals.
Assistant highlight the text and scroll the page automatically while reading, helping you keep track of the current reading point.
We can change the reading speed if the default settings are too slow or fast.
We can also translate automatically, if the page is to be read in a language other than the default. Assistant can automatically translate into more than 40 languages.
If you do not want to read a page Assistant (if it contains sensitive information or do not want the function is somehow accidentally turned on), a special HTML meta tags it is available that will disable the page by page.
Google says that this function should work on almost all modern Android smartphones that have the version 5 or higher.