Zandy provides users with access to their Zotero library through a simple interface. Users can browse and modify the items in their libraries, add new items, view attachments, take and edit item notes, search their libraries, and add webpages from the Android browser.

Android app that scans the ISBN barcode on a book and pulls the bibliographic metadata into your Zotero library.

The MIT App Inventory (formerly Google App Inventor) allows users to develop applications for Android phones using a web browser and either a connected phone or emulator. Includes forum and tutorials; requires a Google account.

Full-featured app for reading, annotating, organizing, and sending PDFs. Offers ability to annotate PDFs with pen, highlighter, audio recordings, and photos. For iPad or Android tablet.

Nature.com reader apps allow you to read scientific content on the iPhone, iPad, iPod Touch, or Android. You may browse news and free open access content, save material to read for later, save searches, and access the articles' references. With a subscription you will have full access to their content.