So you have got a brand new android. Installed a handfull of Free apps? The best part of Android unlike iOS and BlackBerry is most of the best apps in Android Market are free. These applications are ad based and generate revenue from the advertisements desplayed while you use them and that is the most important source of income to the devloper and way to keep the application remain free for use to you.
But sometimes some applications display ads very irritating way and make you to block ads on Android. With the help of this you can block android ads very easily. There are many free and easy to use android ad blocker applications available.::Please not the first three applications work only on Rooted phone. Third one is for all.
1. AdFree Android: [For Rooted Phone Only]
This appliacaion removes all the advertisemets in all applicationa and in your brwoser by blocking the request to known ad-servers from the database. This is the most easy and common method used by most of ad blocking services.
2. AdAway: [For Rooted Phone Only]
This is a Open-Source alternative to above. To start using this application you just have to download the host file and make your android ad free.
3. NetSpector Sniffer: This one is also a good one but does not work on some mobiles like Samsung Galaxy S2. But you should give it a try.
4. If you are using Firefox Mobile (Fennec), you know the best way is to use AdBlock Plus extension. You can see this article to know the Must-Have extensions for Firefox.