Tasks Overview
Tasks 
lists all the tasks that have been assigned to you. From the Tasks page, you can access all your tasks, tasks that are in progress, or tasks that have you have not started by selecting the All, Not Started, or In progress tabs. You can view your task, for a given BP only if the BP has been enabled for Unifier Mobile App. You can also search and filter the Tasks log.
Note: When you access Tasks from the Home Workspace, all your tasks are listed. Otherwise, only the tasks for the selected workspace are listed.
Even if a BP record does not have an overall workflow duration specified, steps within the process might have due dates for specific steps. Depending on the workflow and the configuration of a record, you might be able to change the due date for a task, whether it is assigned to you or to others.