"EBSCOhost provides seamless access to the EBSCOhost (ehost) or EBSCO Discovery Service (EDS) interfaces via mobile devices without the need to download an application."
"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."
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.