To access user self service feature in Azure Active Directory Premium the user can use the web portal or the native apps. The first native app Microsoft released was for IOS but last week the team released a Android version for My Apps.
Below you see some print screens of the how they look like on different form factors and for the different platforms.
Samsung Galaxy S4
Read more about Azure Active Directory Premium (AADP)
Read more about the EMS Suite where AADP is included