Rosuvastatin is in a group of drugs called HMG CoA reductase inhibitors, or  statins .. Rosuvastatin reduces levels of bad cholesterol (low-density lipoprotein, or LDL) and triglycerides in the blood, while increasing levels of good cholesterol (high-density lipoprotein, or HDL).
Google Code-in is a gateway to learning new skills as well as learning the importance of collaborative and open software development. At the end of the contest, you can show your friends, teachers, and family members the work you did on a public project used by thousands or even millions of people!
The source code for Android is open-source: it is developed in private by Google, with the source code released publicly when a new version of Android is released. Google publishes most of the code (including network and telephony stacks) under the non-copyleft Apache License version 2.0. which allows modification and redistribution.