We recently released the latest version of our Android SDK which now you can earn additional revenue from your app and promote your app(s) for free (or paid). There is no apk files to upload we link direct to the Android market.
Here are a couple of recent news articles on our SDK:
Gamasutra - http://www.gamasutra.com/view/pressreleases/69406/Badgify_your_Android_App_with_Everbadge.php
Mobile Marketing Magazine - http://www.mobilemarketingmagazine.com/content/everbadge-launches-android-sdk
If you have not yet heard of Everbadge, it's a social network on Android. Currently over 140,000 members and a great opportunity to plug your app. .
Info on our SDK is at http://everbadge.com/developer