You can easily access your account settings while logged in through your mobile device's browser.
To access your account settings from your mobile browser, tap your account icon to the upper right of the screen, then tap Settings.
From your account settings, you can manage your membership, edit your profile information, update your password, and change your image and album settings for linking/hosting.
Simply tap on the tab of your choice to edit. Once you make your changes, be sure to tap Submit Changes at the bottom of that page to confirm the change.