With this app:
As an employee, you can manage your time entries quickly and efficiently using your desktop or mobile device.
As a manager, you can quickly see all pending approvals for their direct reports, enabling them to easily approve timesheets, using their desktop or mobile device.
If you are starting to use the Fiori application please take into account the relevant information about "Assignments" gathered in KBA 3041734 - My Timesheet (Version 3/Fiori 2.0) How to manage Assignments and Time entry options