This is the minimal set of tasks that we need to have to support the Android team's immediate needs for suggesting lead images for pages.
The Wikipedia Android app has a suggested edits feature to encourage contributions. It includes different kinds of tasks that contributors can do to help build the encyclopedia.
They'd like to add a task for adding lead images (see T262341 for discussion on what that means) to articles that don't have one. The primary interface will be through the suggested edits portal.