The employee login in to the application using his user name and Password. If this is the first log for the employee then the Mobile will be registered so that the employee can not login from another mobile.
After login the employee can register his attendance his leave can also register a vacation requirement and follow his requirement to view the result of it (approved or not approved) and as the requirement is still not replied for the employee can edit it or even can delete it at all.
Also the employee can Apply for allowance to leave temporally for a certain period and can also follow his requirement to view the result when replied for.