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Android is open source mobile platform and growing popularity for smartphones and tablets. This paper discuss about DRM (Digital Rights Management) technology on Android. This paper will cover brief introduction to DRM, DRM Architecture on Android, and current constraints in security and solution for DRM implementation on Android. We will also cover use cases like downloading the DRM content, decrypting and previewing the DRM images, decrypting and decoding the audio/video DRM content, sharing and listing of DRM applications etc.

The popularity of multi tabbed browsers such as Google Chrome, Firefox or Internet explorer has led to exploration of new ways to organize browser data in the different tabs. In tabbed browsing, different tabs on a web browser are typically used for different contexts. For example, one tab may be used for checking email and another for reading the news. However, the user data, such as bookmarks and history, is only accessible together rather than being segregated by context. In this paper we mention two approaches to organize tab specific browser data in different tabs: firstly by having an additional tab id field to identify the tab in the user data in the browser such as history, cookies and bookmarks; and secondly by clustering and displaying browser data by context. We mention new user interfaces based on clustering of user data and tab based grouping. Finally, we study the effect of these changes on the browser performance. Index Terms-android; web browser; tabbed browsing; user data

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