In ToDo view, you have only four fields to update and create tasks.
You can just have to provide task name, task status, assignee and end date and save a task.
Current date is added as Start date by default for all the tasks added in todo view.
My hours with ToDo view
In my hours Estimated hours and Actual hours are displayed for a particular task in current week.
You can post the weekly working hours for all the tasks and it is added to Actual hours of the task.
You can start timer for the current task, by clicking Start icon and can view the timer running for current date.
Hours added in my hours are added only to the user who post the time for the task not to the Assignee.