Now Android is very popular as Symbian and iOS and the same are the Android Applications. The first place you want to go for an applications is for sure the Android Market. You can find the featured and the top ranked applications for free or by paying. There are also other websites where you can discover the best Android apps and install easily from your computer.
AppBrain is a website for discovering Android apps. In addition to providing search and browse functionality, users of Android phones can download the apps they chose by simply clicking an install button on the site. Appbrain then stores the application in an application wishlist. A companion native android app then lets the user efficiently make all the desired changes on the phone.
From AndroidZoom you can browse and search on the Android Market very easy using your computer.
On AndroidLib you can browse for apps and games under different categories. It offers filtered search results which makes your search quick and effective & also provides RSS feeds for the latest additions to its marketplace. AndroLib lists both free and paid apps.
top image credit by mor10