Support Android 15, 16 KB page sizes; minimum Android version - 5.0.
Changed screen brightness control: to reset the screen brightness, you need to bring the screen brightness to the minimum and holding it for about 1 second.
In page mode, vertical scrolling is implemented.
Added support for external dictionary OSS-Dict.
Added the ability to set a default value for the "Allow embedded document styles" option.
Implemented display of the screen brightness indicator when it changes.
Bug fixes.
