The Android market is growing each and every day. There are thousands of apps available in that market. Third-party Android markets are going to further grow this business. I have met plenty of people who are interested in starting a website covering Android apps. In order to do that effectively, you are going to have to keep track of the latest developments in the Android world at all times. Android Market Top Monthly/Weekly/Daily plugins let you add all kinds of app content to your website and automate the process.
These three plugins are widget-based. They allow you to add top Android apps to your website and choose how detailed you want your listings to be. These plugins use the information from RawApps.com. They each give you the option to show description, ratings, stars, # of downloads, and ratings per app displayed on your website.
If you know your way around WordPress, you can use the plugin editor interface to make further changes to these plugins and change the look and feel of them. These may teach you a thing or two on how to grab Android app information more effectively.
In order to build a killer Android app site, you will probably have to spend a decent amount of time reviewing apps and posting video demos to your website. But the above mentioned plugins give you an easy way to add auto-updating content to your website fast.