"With the advent of the American Psychological Association's APA Journals iPhone App, you can conveniently keep up to date with the latest psychological research on your iPhone or iPod Touch. Provided via RSS feed are article titles and abstracts for all journals available in APA's PsycARTICLES database."
"JSTOR’s interface automatically adapts to the screen size of a device without requiring a separate mobile URL or any device configuration. Just go directly to www.jstor.org on a smartphone or tablet, and the screen will adjust accordingly!"
"UPCC [University Press Content Consortium] books are accessible on any mobile device with a web browser and the capability to open PDF files, such as the iPhone or iPad. [Project Muse is] currently in the process of developing a new interface for mobile devices that will improve a user's experience when searching and retrieving MUSE content on mobile devices."
"SAGE's entire collection of online journal sites is now available in a mobile-optimized format designed for the smaller screen of a smartphone. Readers visiting one of SAGE's 670+ journal sites on their iPhone, Android or other smartphone device will automatically be redirected to the mobile version."
EndNote Online also has a mobile version of its bibliographic resource. While this does not have the full functionality of the online site, you can log in with your EndNote username and password and access your EndNote account.